Plate Clamp Working Load Limit 4 000 lb Attachment Type Load Ring 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 1 7/8 in Grip Type Teeth Overall Height 12 1/2 in Overall Width 3 5/8 in Overall Depth 7 1/8 in Standards ASME BTH-1