Beam Lifting Clamp Clamp Type Beam Flange Clamp Material Steel Maximum Jaw Opening 10 1/4 in Minimum Jaw Opening 2 1/2 in Working Load Limit 4 000 lb Attachment Type Shaft Maximum Beam Thickness 3/4 in Compatible Beam Shape Flat Minimum Beam Thickness Not Applicable Overall Height 9 1/8 in Attachment Diameter Not Applicable Beam Mount Location Top Maximum Beam Width 8 5/8 in Minimum Beam Width 3 in Overall Depth 3 in Overall Width 14 1/4 in Standards ANSI/ASME B30.20