Beam Lifting Clamp Clamp Type Beam Flange Clamp Material Steel Maximum Jaw Opening 12 5/8 in Minimum Jaw Opening 3 1/8 in Working Load Limit 6 000 lb Attachment Type Shaft Maximum Beam Thickness 1 5/8 in Compatible Beam Shape Angled Flat Tapered Minimum Beam Thickness 1 1/2 in Overall Height 9 in Attachment Diameter 1 in Beam Mount Location Bottom Bottom-Center Top Maximum Beam Width 13 in Minimum Beam Width 3 1/2 in Overall Depth 4 in Overall Width 18 1/2 in