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The STANLEY 11-921 is a 5-pack of pointed razor-type utility knife blades designed for repeated, reliable cutting in trade and jobsite environments. These reversible blades extend usable blade life by allowing the user to flip to a fresh edge before swapping out entirely. The blades are built to a standard profile that fits the vast majority of utility knives on the market, making them a practical bulk replacement option for electricians, plumbers, HVAC technicians, and general contractors who keep a utility knife on the belt daily.
These blades are suited for light demolition scoring, insulation cutting, sheathing removal, and general-purpose cutting tasks across residential and commercial job sites. The standard interchangeable profile means a single pack can supply multiple knives on a crew without compatibility concerns. The pointed tip improves precision when starting cuts in tight areas or scoring around fixtures and fittings.
These blades are interchangeable with STANLEY Model No. 99, 199, 299, and 1299 utility knives, as well as most other standard utility knives accepting a regular interchangeable blade profile.
Blade changes should be performed by a licensed or experienced tradesperson following the knife manufacturer's blade-change procedure. Always retract or lock the blade before changing. Use the plastic dispenser included with models 11-911A and 11-921A (sold separately) for safe single-blade dispensing and storage of spent blades. Dispose of used blades in a puncture-resistant sharps container per local jobsite safety requirements.
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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