{"product_id":"knipex-10-in-locking-hose-clamp-pliers-with-retainer-for-spring-clamps-85-51-250-afsba","title":"Knipex 10-in. Locking Hose Clamp Pliers with Retainer for Spring Clamps (85 51 250 AFSBA)","description":"\u003csection data-aplus\u003e\n  \u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"features\"\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/angle.svg\" alt=\"angle\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eWorks From Awkward Angles\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eRotating universal grip inserts let these hose clamp pliers grab spring clamps from different positions, which matters when you're buried in an engine bay or working around tight coolant and charge air hoses.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/capacity.svg\" alt=\"capacity\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eBuilt for Large Clamps\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eDesigned for standard, space-saving spring wire hose clamps and spring band clamps up to 70 mm nominal size, with more than 40 mm of clamping range for real versatility.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/handle.svg\" alt=\"handle\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eLocks Clamp Open\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe locking device holds the clamp under tension so you are not fighting the tool and the clamp at the same time. One-hand release makes repositioning faster and safer.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-overview\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\" data-product-summary\u003e\n      \u003cp\u003e\u003cstrong\u003eKnipex Spring Hose Clamp Pliers with Retainer 250 mm\u003c\/strong\u003e are purpose-built for removing, opening, holding, and repositioning spring hose clamps in tight service areas. This is a hose clamp pliers designed for removing and installing spring hose clamps on automotive and maintenance systems. Model Number: 85 51 250 AFSBA. If you work on cooling lines, charge air hoses, fuel lines, thermostat connections, or water return hoses, this tool is made to deal with the awkward clamp angles and limited access that standard pliers struggle with.\u003c\/p\u003e\n      \u003cp\u003eThe big advantage here is control. Knipex uses rotating universal grip inserts so the jaws can hold hose clamps in all positions, including angled clamps tucked into engine compartments or other cramped assemblies. The jaw inserts can also rotate under load, which helps when the clamp is not sitting in a friendly position and needs to be turned while it is still under tension. That saves time and cuts down on the usual slipping, regripping, and hand strain that comes with clamp work.\u003c\/p\u003e\n      \u003cp\u003eCapacity is strong for a hand tool in this category. These pliers can be used on standard spring wire hose clamps and spring band clamps up to 70 mm nominal size, with more than 40 mm of clamping range. Source data also indicates a jaw opening up to 80 mm through the adjustable joint. In plain terms, that means this tool covers a wide range of clamp sizes you are likely to see in automotive service, fleet maintenance, and plant work without needing a second specialty plier for larger spring clamps.\u003c\/p\u003e\n      \u003cp\u003eThe long handles and leverage-focused design matter just as much as the jaw shape. Tough spring clamps can take a surprising amount of force to open, especially when access is poor. Knipex built these pliers for high leverage so larger clamps can be opened with less effort and better control. The slim head and narrow head width also help the tool fit where bulkier hose clamp pliers cannot, which is often the difference between a clean service job and a lot of unnecessary disassembly.\u003c\/p\u003e\n      \u003cp\u003eAnother practical feature is the locking device. Once the clamp is opened, the retainer locks it so you do not have to keep squeezing the handles while moving the clamp along the hose. That is a real jobsite benefit, not a brochure feature. It frees up your hand, reduces fatigue, and makes it much easier to slide a stubborn clamp back on a hose or position it for removal. The one-hand release keeps the process moving when you are bouncing from one connection point to the next.\u003c\/p\u003e\n      \u003cp\u003eKnipex also added serrated jaw grip surfaces for gently detaching hoses. That gives this tool some extra usefulness beyond clamp handling alone, especially when you are dealing with stuck rubber hoses that need to be broken loose without tearing them up. The tool is made from chrome vanadium electric steel, forged and oil-hardened, with plastic non-slip handles for a more secure hold during force-heavy work.\u003c\/p\u003e\n      \u003cp\u003eFor buyers comparing options, this is not a generic hose clamp plier. It is a dedicated service tool for mechanics, fleet techs, plant maintenance crews, and serious DIY users who want a better answer for spring clamps in confined spaces. If most of your clamp work is simple and easy to reach, a cheaper tool may get by. If you routinely deal with angled clamps, larger spring bands, or cramped under-hood service, this Knipex design earns its keep fast.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-1\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eGrab Clamps From Tough Angles\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/2026052158_1.jpg\" alt=\"Knipex Spring Hose Clamp Pliers with Retainer 250 mm shown in full profile for automotive hose clamp service and tight engine compartment access\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eSpring clamps are rarely positioned where you want them. These hose clamp pliers are built to reach clamps that sit at odd angles or deep in crowded assemblies.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eRotating universal grip inserts hold clamps reliably in different positions\u003c\/li\u003e\n            \u003cli\u003eSlim head design helps the tool reach confined or hard-to-access areas\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\n    \u003csummary\u003e\u003ch2\u003eLock the Clamp, Free Your Hand\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/2026052158_2.jpg\" alt=\"Knipex Spring Hose Clamp Pliers with Retainer 250 mm angled product view showing long handles and locking retainer for spring clamp work\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThe locking device is what separates this tool from basic clamp pliers. Open the clamp, lock it in place, and move it without having to keep squeezing the handles the whole time.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eLocking device enables simple, secure work on clamps under tension\u003c\/li\u003e\n            \u003cli\u003eOne-hand release makes repositioning quicker during repetitive service work\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-3\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eMade for Common Spring Clamp Styles\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/2026052158_4.jpg\" alt=\"Knipex Spring Hose Clamp Pliers with Retainer 250 mm application reference showing a spring band clamp used on hose service work\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThis tool is set up for the clamp types techs see every day on cooling, fuel, and charge air systems. It gives you enough range to handle both compact and larger spring clamp jobs with one plier.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eWorks with standard and space-saving spring wire hose clamps\u003c\/li\u003e\n            \u003cli\u003eAlso handles spring band clamps up to 70 mm nominal size\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-4\" class=\"acc flip\"\u003e\n    \u003csummary\u003e\u003ch2\u003eStrong Leverage, Less Fight\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/2026052158_5.jpg\" alt=\"Knipex Spring Hose Clamp Pliers with Retainer 250 mm application reference showing a spring wire hose clamp for service and maintenance use\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eLarge spring clamps can be stubborn. The long handles and leverage-focused design help you open them with more control and less hand fatigue.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eHigh leverage design opens difficult clamps with reduced effort\u003c\/li\u003e\n            \u003cli\u003eSerrated jaw grips can also help gently detach stuck hoses\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tnincluded-wrapper\"\u003e\n        \u003cul\u003e\n          \u003cli\u003e(1) Knipex Spring Hose Clamp Pliers with Retainer 250 mm\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003ctable class=\"aplusspecs\"\u003e\n        \u003ctr\u003e\n          \u003cth\u003eTool Length\u003c\/th\u003e\n          \u003ctd\u003e250 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eWidth\u003c\/th\u003e\n          \u003ctd\u003e50 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eHeight\u003c\/th\u003e\n          \u003ctd\u003e20 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eWeight\u003c\/th\u003e\n          \u003ctd\u003e0.77 lbs\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eClamp Capacity\u003c\/th\u003e\n          \u003ctd\u003eUp to 70 mm nominal size\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eClamping Range\u003c\/th\u003e\n          \u003ctd\u003eMore than 40 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eMaterial\u003c\/th\u003e\n          \u003ctd\u003eChrome vanadium electric steel, forged, oil-hardened\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eMade In\u003c\/th\u003e\n          \u003ctd\u003eGermany\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"compat-list\"\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/chuck-type.svg\" alt=\"chuck-type\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eClamp Types\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eCompatible with standard spring wire hose clamps and space-saving spring wire hose clamps.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/capacity.svg\" alt=\"capacity\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eSpring Band Clamps\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eWorks with spring band clamps up to 70 mm nominal size.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/angle.svg\" alt=\"angle\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eAccess Conditions\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eRotating jaw inserts are designed for clamps installed at awkward angles and in confined spaces.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tags\"\u003e\n        \u003cspan class=\"tag\"\u003eAutomotive\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eFleet Maintenance\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePlant Maintenance\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eCooling System Service\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eFuel Line Service\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eEngine Compartment Work\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eCharge Air Hoses\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eThermostat and Water Return Hoses\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tip-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e\n        \u003cp class=\"tip-text\"\u003eWhen you are dealing with an angled clamp in a tight engine bay, lock the clamp open first, then use the rotating inserts to turn it into a better service position before sliding it back. That saves a lot of fighting once tension is off your hand.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-warranty\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"warranty-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/warranty.svg\" alt=\"warranty\" class=\"icon-sm\"\u003e\n        \u003cdiv class=\"warranty-text\"\u003e\n          Limited lifetime warranty against manufacturer defects and workmanship.\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n      \u003ch3\u003eKnipex Spring Hose Clamp Pliers with Retainer 250 mm are the right call for real spring clamp work\u003c\/h3\u003e\n      \u003cp\u003eThis is the kind of specialty plier that feels expensive until the first time it saves you twenty minutes and a bunch of busted knuckles.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Mechanics, fleet techs, maintenance crews, and serious DIY users who regularly deal with spring hose clamps in cramped spaces.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The rotating inserts, strong leverage, and locking retainer solve the two biggest problems with spring clamps: bad access and constant handle pressure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a dedicated hose clamp tool, not a general plier. If you only touch spring clamps once in a blue moon, it may be more tool than you need. If you do this work often, it is money well spent.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat type of clamps does this tool fit?\u003c\/strong\u003e It is designed for standard and space-saving spring wire hose clamps, plus spring band clamps up to 70 mm nominal size.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCan it be used in tight engine compartments?\u003c\/strong\u003e Yes. The slim head design and rotating universal grip inserts are specifically intended for confined areas and awkward clamp angles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDoes it lock the clamp open?\u003c\/strong\u003e Yes. The locking device holds the clamp under tension, and it can be released with one hand.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat is the tool made from?\u003c\/strong\u003e Source data lists chrome vanadium electric steel, forged and oil-hardened, with plastic non-slip handles.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e","brand":"Knipex","offers":[{"title":"Default Title","offer_id":53231573958950,"sku":"85 51 250 AFSBA","price":127.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/2026052158_1.jpg?v=1779327383","url":"https:\/\/www.toolnut.com\/products\/knipex-10-in-locking-hose-clamp-pliers-with-retainer-for-spring-clamps-85-51-250-afsba","provider":"Tool Nut","version":"1.0","type":"link"}