Plate Clamp Working Load Limit 6 000 lb Attachment Type Load Ring Open Type Manual Close Type Manual with Lock Minimum Material Thickness 0 in Maximum Material Thickness 1 1/4 in Minimum Jaw Opening 0 in Maximum Jaw Opening 1 1/4 in Material Steel Clamp Type Plate Clamp Operation Horizontal Lift Vertical Lift Attachment Diameter 3 5/8 in Grip Type Teeth Overall Height 18 in Overall Width 3 5/8 in Overall Depth 8 3/8 in Standards ASME BTH-1