Primegrip 19 mm SK5 Hook Blades come in a 10-pack, built for pros and serious DIYers who want clean, precise cuts on roofing shingles, felt paper, foam board, insulation, and more. They work with most utility and roofing knives, so you can swap blades without drama.

Key Features & Design

• 19 mm roofer's hook blade
• High quality SK5 steel heat-treated for strength
• Induction-hardened edge offers 75% longer-lasting blade life
• Can be used with all Primegrip knives

Primegrip blades can be used with most utility and roofing knives to cut roofing shingles, felt paper, foam board, insulation, shingles and other building materials.

Manufactured from high-grade carbon steel and induction hardened for longevity, our blades last up to 75% longer. A dependable choice for fast, efficient work without the constant blade-swapping that drains your patience—and your wallet.