Festool 203337 Vecturo Starlock Plus Universal Saw Blade USB 78/32/Bi, 5-Pack is a universal oscillating multi-tool blade set built for contractors, remodelers, and serious DIY users who need one blade style that covers a lot of day-to-day cutting jobs. This is a universal oscillating multi-tool saw blade designed for plunge cuts and general-purpose cutting. Model Number: 203337.

The big reason this blade matters is versatility. Festool builds it from high-grade bimetal and calls it a universal saw blade for a reason. If your work bounces between trim adjustments, cut-ins, flush work, and controlled plunge cuts, this style of accessory earns its place fast. Instead of reaching for a specialty blade every time the material changes slightly, you get one that is meant to handle a broad range of common tasks.

The 3-1/8 inch length and 1-1/4 inch width are worth paying attention to because they directly affect how the blade behaves in real use. The extra length helps with plunge cutting, especially when you need to get farther into the cut without overworking the tool. The 1-1/4 inch width gives you a practical balance between access and stability, so the blade is still manageable in tighter areas while giving enough edge to stay controlled on straight cuts.

Festool also uses the Starlock Plus interface, which is a major buying point if you already run an oscillating platform with a Starlock chuck. That means this blade is compatible with Festool OSC 18 and, based on the provided fit information, with all brands of oscillating multi-tools that use Starlock chucks. For buyers, that matters because compatibility is half the battle with oscillating accessories. A good blade is only useful if it actually fits the tool you already own.

From a design standpoint, this is an end-cut style blade intended for controlled, direct cuts rather than broad scraping or aggressive material removal. The bimetal construction is there for durability and toughness, which makes sense for a blade expected to see mixed-use work. In plain terms, this is the type of accessory you keep on hand when you need reliable cutting performance and do not want to baby the blade.

As a 5-pack, this product also makes more sense for regular users than buying a single blade at a time. If you are in remodeling, punch-list work, installation, or service work, having multiple matching blades ready to go cuts down on downtime. It is also a better fit for anyone who treats oscillating tools like daily problem-solvers rather than occasional-use tools.

Who should buy it? Anyone using an oscillating multi-tool for plunge cutting, cut-ins, and general-purpose work who wants a durable, Starlock-compatible blade from Festool. If you already own an OSC 18, the fit is straightforward. If you run another Starlock chuck machine and want a quality universal blade with practical dimensions, this is the kind of accessory that covers a lot of work without getting overly specialized.

Festool 203337 Vecturo Starlock Plus Universal Saw Blade USB 78/32/Bi, 5-Pack Is the Kind of Blade You Actually Keep Reordering

This is a smart buy for anyone who uses an oscillating tool often enough to burn through bargain blades and get tired of it.

• Who it's for: Pros and serious DIY users running Starlock-compatible oscillating multi-tools for plunge cuts, trim work, and general repair work.
• Why it stands out: The Starlock Plus fit, durable bimetal build, and useful 78 mm x 32 mm size make it a practical all-around blade instead of a niche accessory.
• Worth knowing: This is a 5-pack of blades only. It is a great fit if you already own the tool, especially an OSC 18, but it is not the right pick if you need a non-Starlock accessory.

• What type of tool does this blade fit? It uses a Starlock Plus interface and is listed as compatible with Festool OSC 18 and all brands of oscillating multi-tools with Starlock chucks.
• What is this blade best used for? It is intended for universal use and is specifically called out as ideal for plunge cuts.
• What is the blade made from? The blade is made from high-grade bimetal.
• What size is the blade? The blade measures 3-1/8 inches long by 1-1/4 inches wide, or 78 mm by 32 mm.