Roofer Hook Blades 100/pack

2-Notch Deep Hook Blades - 100 Pack. Primegrip deep hook blades are engineered for demanding cutting tasks and are compatible with most utility knives and roofing knives used on job sites. Their deep-hook profile provides superior control when cutting roofing shingles, felt paper, foam board, insulation, underlayment and a wide range of construction materials without tearing or over-cutting. Manufactured from high-grade carbon steel and induction-hardened for exceptional durability, these blades are designed to maintain sharpness significantly longer than standard blades, lasting up to 75% longer. Ideal for professional roofers, contractors and tradespeople who require reliable, long-lasting performance in tough working conditions.