UltraMax ultra-sharp premium heavy-duty snap-off black blades, exclusively designed for maximum cutting performance, are ideal for applications where superior sharpness is required.

These blades made from high quality carbon tool steel are developed using a special double honing process for extreme sharpness and are 25% sharper than our Heavy-Duty LB blades.

Long lasting durable snap-off blade - a new sharp edge with each snap.

Blade container locks for safety. Fits most Heavy-Duty handles. 8 cutting edges per blade.