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The BSC PREFERRED SN18B-DIB is a 5-pack of snap-off replacement blades designed for use with standard snap-style utility knives. Made from high carbon steel with a blackened finish, these blades deliver a sharper cutting edge than conventional utility blades. The snap-off design allows technicians and tradespeople to expose a fresh blade point quickly using the built-in blade snapper found on most compatible knives. This card-sold pack keeps a ready supply on hand for jobsite cutting tasks including insulation, vapor barrier, ductwork materials, and general trade applications.
These snap replacement blades are a practical addition to any trade toolkit. The high carbon steel construction provides durability and edge retention across a wide range of cutting tasks. Whether used in HVAC, plumbing, electrical, or general construction work, these blades are suited for professionals who rely on clean, consistent cuts. The blackened carbon finish reduces glare and indicates the blade's high-carbon composition. Sold as a single card containing five blades.
Designed as a replacement blade for most standard snap-off style utility knives commonly used in trade and construction applications.
Blade replacement and snapping should be performed by a qualified tradesperson using the blade snapper built into the knife handle — never snap blades by hand or with improvised tools. Dispose of spent blade segments in a puncture-resistant sharps container to comply with jobsite safety requirements. Keep blades away from moisture to prevent premature corrosion of the carbon steel.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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