Nonmarring 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 1 1/8 in, Minimum Jaw Opening 0 in, Maximum Jaw Opening 1 1/8 in, Material Steel, Clamp Type Nonmarring Plate Clamp, Operation Horizontal Lift, Vertical Lift, Attachment Diameter Not Applicable, Grip Type Pads, Overall Height 10 1/8 in, Overall Width 8 5/8 in, Overall Depth 4 3/4 in, Standards ANSI B30.20