Description Milwaukee Hook Blades are designed to cut roofing, synthetic wrap, insulation and other building materials. Milwaukee utility blades are engineered to fit Milwaukee and most standard utility knives.PRODUCT DETAILS:2X Stronger than standard carbon hook blades - Replace fewer bladesHigh quality steel for maximum strength in pull cut applicationsIdeal for roofing, carpet, TYVEK, insulation and other building materialsMade in EnglandOptimized geometry delivers more pull force than competitive hook blades