Plate Clamp Working Load Limit 4 000 lb Attachment Type Pivoting Shackle Open Type Manual Close Type Manual with Lock Minimum Material Thickness 0 in Maximum Material Thickness 1 in Minimum Jaw Opening 0 in Maximum Jaw Opening 1 in Material Steel Clamp Type Plate Clamp Operation Vertical Lift with 180 Degrees Flip Attachment Diameter 3 1/2 in Grip Type Teeth Overall Height 17 3/8 in Overall Width 4 1/2 in Overall Depth 8 3/4 in Standards ASME BTH-1