Superior Steel RK742 7 inch Roofing Utility Knife with 5-Pack of Blades.
Constructed of plated heavy gauge steel casing. Easily adjust blade position and depth of cut. Swivel open for blade change and storage. Heavy duty construction makes if perfect for cutting roofing material, sheet goods, carpeting and other tough materials. Unique shape and ergonomic handle design provide user with leverage.
Extend the life of your knife by just changing the blade. Allows you to cut into material deeper than a standard hook blade without damaging the surface below. Made with durability and razor-sharp performance in mind.