Snap-Off Blade, Blade Edge Straight, Blade Length 5 1/2 in, Blade Material Steel, Blade Thickness 0.02 in, Blade Tip Standard, Blade Edge Type Snap-Off, Blade Width 1 in, Includes Blade Dispenser No, Material Application Carpet, Cartons, Fabric, Foam Board, Insulation, Linoleum, Sheet Materials, Shingles and Roofing Materials, Tyvek, Number of Blades Included 20, Number of Cutting Edges 7, Number of Segments 7, Package Quantity 20