Plate Clamp Working Load Limit 3 307 lb Attachment Type Load Ring with Chain Open Type Automatic Close Type Automatic Minimum Material Thickness 0 in Maximum Material Thickness 3/4 in Minimum Jaw Opening 0 in Maximum Jaw Opening 3/4 in Material Steel Clamp Type Plate Clamp Operation Horizontal Lift Vertical Lift Attachment Diameter 2 3/8 in Grip Type Teeth Overall Height 7 1/4 in Overall Width 4 3/4 in Overall Depth 3 1/4 in Standards ANSI B30.20