Fiberglass Bar Stair Tread, Material Fiberglass, Type Stair Treads, Top Surface Texture Meniscus with Grit Nosing, Resin Type Corvex, Nosing Surface Gritted, Tread Depth 12 in, Tread Width 4 ft, Bearing Bar Thickness 0.25 in, Bearing Bar Height 1.5 in,...