FIBERGRATE 878850 Grating Molded Premium Polyester Surface Grit Top 1 In Depth 5 Ft Width 3 Ft Span Rectangular Mesh Mesh Size 1 x 4 In Green Bearing Bar Height 1 In Bearing Bar Width 0.25 In Bearing Bar Spacing Center-to-Center 1 In Max. Temp. 150 F