Beam Lifting Clamp Clamp Type Beam Flange Clamp Material Steel Maximum Jaw Opening 3/4 in Minimum Jaw Opening Not Applicable Working Load Limit 2 000 lb Attachment Type Shackle Maximum Beam Thickness 6 in Compatible Beam Shape Flat Minimum Beam Thickness 4 in Overall Height 5 in Attachment Diameter 7/8 in Beam Mount Location Bottom Top Maximum Beam Width 6 in Minimum Beam Width 4 in Overall Depth 4 in Overall Width 6 3/4 in Standards ASME B30.20 ASME BTH-1