{"product_id":"fenix-tk75-extension-tube-tk75-extension-tube","title":"Fenix TK75 Extension Tube TK75 Extension Tube","description":"\u003cp\u003eGo longer with the Fenix Extended Runtime Kit. Specifically designed for your favorite flashlight. Adds extended runtime to your flashlight without affecting brightness levels and modes. You must have 4 additional 18650 batteries for this set to be complete.\u003c\/p\u003e","brand":"Fenix","offers":[{"title":"Default Title","offer_id":50905045664038,"sku":"TK75 Extension Tube","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/tk75_extension_tube.jpg?v=1755063122","url":"https:\/\/www.toolnut.com\/products\/fenix-tk75-extension-tube-tk75-extension-tube","provider":"Tool Nut","version":"1.0","type":"link"}