Plate Clamp Working Load Limit 6 614 lb Attachment Type Load Ring with Chain Open Type Automatic Close Type Automatic Minimum Material Thickness 1 1/8 in Maximum Material Thickness 2 3/8 in Minimum Jaw Opening 1 1/8 in Maximum Jaw Opening 2 3/8 in Material Steel Clamp Type Plate Clamp Operation Horizontal Lift Vertical Lift Attachment Diameter 2 5/8 in Grip Type Teeth Overall Height 12 1/4 in Overall Width 8 1/4 in Overall Depth 4 3/4 in Standards ANSI B30.20