Campbell 6422012 Vertical and Horizontal to Vertical GXL Plate Lifting Clamp, 1/16" - 5/8" Grip, 1/2 ton Working Load Limit
Newly designed "cam engaging lever" keeps the cam in contact with plate. The tension arm and spring mechanism facilitate attaching and removing clamp. Clamps 100 percent proof tested, a certificate of test supplied with each clamp. Never tamper with clamps tension arm and spring mechanism during a lift.