Beam Clamp; Type Single U; Maximum Jaw Capacity 3/4 Inch; Supplied with Screw Yes; Screw Type Square Head; Load Capacity 125 Lb; Material Malleable Iron; Finish Zinc Electroplate; ROHS Compatible; Applicable Standard UL (Canada and US), CSA; Overall Dimension 1-3/16 Inch L x 1-3/8 Inch W x 1-3/8 Inch H; Trade Size 1 Inch