Stair Tread Cover, Lip Height 1 1/16 in, Nose Style Square, Installation Hardware Included No, Surface Design Double-Strip Grit, Color Black, Edge Style Beveled, Indoor/Outdoor Indoor, Outdoor, Installation Method Adhesive, Material Extruded Aluminum, Overall Depth 11 in, Overall Width 54 in, Product Type Anti-Slip Stair Tread, Series Flexmaster(R) 311, Standards Federal Test Method Standard No. 501a. Method 6411, MIL-D-17951E, MIL-D-STD-1623D, Motor Vehicle Safety Standard No. 302, USDA