K7762 Stair Tread Cover Lip Height 1 1/8 in Nose Style Square Installation Hardware Included Yes Surface Design Raised Discs Color Black Edge Style Round For Surface Type Existing Concrete Masonry Metal Surfaces Wood Surfaces Includes (18) 3/4 in Stainless Steel Screws Indoor/Outdoor Indoor Outdoor Installation Method Concrete Anchor Screws Material Aluminum Overall Depth 3 3/4 in Overall Width 48 in Product Type Anti-Slip Stair Tread Strip Thickness 3/32 in Traffic Type Heavy