Appleton Clamp Back, Size: 1 IN, Material: Malleable Iron, Finish: Hot Dipped Galvanized, Length: 3.19 IN, Width: 1.31 IN, Height: 0.56 IN, Bolt Diameter: 1/4 IN, Standard: CSA C22.2 No. 18.4, CSA 065178, For Used To Support Runs Of RMC, IMC And