The Vulcan utility knife blade is made of sk5 alloy steel with a thickness of 0.6 mm. Comes in a pack with a quantity of 5.

Estwing Replacement Blade, Butterfly Pattern, Specifications: 3/4 in Cutting Edge, Dimensions: 2-1/2 in L, Suitable for: Roofing Knifes

Roofing blades are ideal for cutting roofing shingles, felt paper, roof underlayment, foam board and insulation. To differentiate these blades from standard blades, these have the word roof etched into them.

Stanley's 1996 large hook blades are great for cutting through thick materials such as roofing, carpets and linoleum.

Engineered to withstand the rigors of today's heavy and thick roofing materials, the roofing utility blades are an indispensable tool.

Stanley's 1996 large hook blades are great for cutting through thick materials such as roofing, carpets and linoleum.