Clamp Back and Straps Universal One-Piece Flange Thickness 1 1/2 in to 2 in Wire Range 1.735 to 2.450 AC/MC Load Capacity 100 lb Thread Size 5/16-18 Compatible Pipe Size 1 1/2 in 2 in Steel Finish Zinc Plated Silver Overall Length 4 3/16 in Overall Width 1 3/16 in Overall Height 2 31/32 in Compatible Conduit Trade Size 1 1/2 in 2 in