Grating Clip, G-Clip, Carbon Steel, Finish Galvanized, Fits Bearing Bar Height 1 1/2 in, Fits Bearing Bar Spacing 1 in, Fits Support Thickness 3/4 to 1-1/4 in, Fits Grating Opening Size 1 in, For Screw Size 1/4 in, Meets/Exceeds ASTM B-695, Includes...