Primegrip 2-Notch Blunt Hook Blades are built for pros and DIYers who need durable, precise cuts for roofing and building projects. They’re designed to fit most utility and roofing knives, delivering reliable performance when you need it most.

Key Features & Design

• Manufactured from high-grade carbon steel and induction hardened for longevity
• 2-Notch straight blades for all Primegrip knives
• Double-sided hook blade with a deep throat and large flat trimming utility blade
• Induction-hardened edge offers 75% longer-lasting blade life
• Heat treated for strength and induction hardened for longevity

Primegrip knife blades can be used with most utility and roofing knives to cut roofing shingles, felt paper, foam board, insulation, shingles and other building materials. Whether you’re tackling a roof project or cutting through insulation, these blades stay sharp longer and stand up to demanding jobs. Keep a sharp edge on the job site and avoid unexpected blade failures—your future self will thank you.