X-Acto
Heavy Duty Snap-Off Knife

The X-Acto Heavy Duty Snap-Off Knife features a blade that is tough enough to cut through almost any material and is great for tough home construction projects and renovations. The unique design allows you to “snap off” the blade when dull for an instantly sharp edge. The Heavy Duty Snap-Off Knife comes pre-loaded with a snap-off blade, and includes 2 replacement blades.