Stair Nosing Lip Height 1/4 in Nose Style Square Installation Hardware Included No Surface Design Multi-Strip Grit Color Black Edge Style Square For Surface Type Embedded in New Concrete Steel Pan Stairs Includes Wood Insert Indoor/Outdoor Indoor Outdoor Installation Method Set in Concrete Material Extruded Aluminum Number of Grit Strips 5 Overall Depth 3 in Overall Width 60 in Product Type Two-Part Installation Anti-Slip Stair Nosing Standards ASTM E2072-74 Thickness 1 in