Beam Clamp; Type Single U; Maximum Jaw Capacity 11/16 Inch; Supplied with Screw Yes; Screw Type Square Head; Load Capacity 300 Lb; Material Malleable Iron; Finish Zinc Electroplate; ROHS Compatible; Applicable Standard UL (Canada and US), CSA; Overall Dimension 1-1/2 Inch L x 1-3/4 Inch W x 1-5/8 Inch H; Trade Size 1-1/2 Inch