Light-Duty 1/8" Thick Brown 42" Wide Vinyl Stair Treads Federal Spec: RR-T-650E Type B Federal Spec: ZZ-T-001237 (GSA-FSS) Thickness: 1/8" at nose (tapers to 3/32") ; 1-1/4" square nose ; 12" Depth Weight: 1 Lbs / Lin Ft Install with water-based Stair Tread Contact Adhesive or quick-drying Neoprene Contact Cement. Secure inside of nose with Epoxy Stair Caulk - sold separately