Plate Clamp, Working Load Limit 3,000 lb, Attachment Type Load Ring, Open Type Manual, Close Type Manual, Minimum Material Thickness 0 in, Maximum Material Thickness 2 in, Minimum Jaw Opening 0 in, Maximum Jaw Opening 2 in, Material Steel, Clamp Type Plate Clamp, Operation Horizontal Lift, Attachment Diameter 1 3/8 in, Grip Type Teeth, Overall Height 9 7/8 in, Overall Width 6 1/8 in, Overall Depth 8 in, Standards ANSI B30.20, Package Quantity 2 Clamp is equipped with a safety mechanism, ensuring the clamp does not slip when lifting force is applied and when load is being lowered. 300% overload factory tested.