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 36 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