Clamp Gripping Plier, Deep Reach, Size 11 In, Jaw Capacity 4 1/2 In, Tip Type J Shaped Jaws To Clamp Over Obstructions, Throat Depth 3 In, Jaw Tip 1 In, Thickness 5/8 In, Finish Hardened Chrome, Vanadium Steel, Plastic Coated Release Lever, Adjust Clamping Pressure And Jaw Angle Using Screws With Lock Nuts Deep ReachLocking Clamps Sliding Arm StyleJ-shaped jaws clamp over angle iron, channel iron, and other assemblies/obstructions.Sliding-arm chrome-vanadium steel SuperGrips jaws automatically adjust to remain parallel with each other. Handles have pressure adjustment screw and plastic-coated release levers. Ergonomically designed to prevent kickbacks.