5 pack, large hook blade, .025, edge protection blade for cutting & trimming roofing materials, linoleum, carpet, fabric, cartons & sheet materials without damage to surfaces below, deep hook allows for cutting thicker materials, fits Stanley knives models 10-122, 10-779, 10-989, 10-079, 10-179, 10-499, 10-099, 10-113, 10-175, 10-176, 10-177, 10-065, 10-165, 10-189, 10-550, 10-209, 10-399.

• Large Deep Hook Blade
• Edge Protection Blade For Cutting & Trimming Roofing Materials, Linoleum, Carpet, Fabric, Cartons & Sheet Materials Without Damage To Surfaces Below
• Deep Hook Allows For Cutting Thicker Materials