Stair Nosing 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 Stainless Steel Screws Indoor/Outdoor Indoor Outdoor Installation Method Fasteners Material Aluminum Overall Depth 2 3/4 in Overall Width 36 in Product Type Anti-Slip Stair Nosing Standards ANSI OSHA Thickness 1/4 in Two-Stage Installation No