Plate Clamp Working Load Limit 17 600 lb Attachment Type Load Ring Open Type Manual Close Type Automatic Minimum Material Thickness 1/4 in Maximum Material Thickness 2 in Minimum Jaw Opening 1/4 in Maximum Jaw Opening 2 in Material Steel Clamp Type Plate Clamp Operation Horizontal Lift Attachment Diameter 2 3/4 in Grip Type Pads Overall Height 17 3/4 in Overall Width 4 in Overall Depth 9 7/8 in Standards ANSI B30.20 Package Quantity 2