The Heavy-Duty Auto-Lock Utility Knife is guaranteed to last forever. This knife features an automatic blade lock, a cushion grip for maximum comfort and control, and a heavy-gauge stainless steel blade channel that holds the blade tight.
UltraMax Blades, Pkg of 5 — Olfa UltraMax ultra-sharp heavy-duty snap-off blades are designed exclusively for maximum cutting performance. Ideal for applications where superior sharpness is required, UltraMax blades are made from high-quality carbon tool steel that is developed using a special double-honing process for extreme sharpness. Long-lasting and durable, a new sharp edge is exposed with each snap. The blade container locks for safety. These blades fit most Olfa Heavy-Duty handles.
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