Standard Locking Clamp, 8 In., Capacity 4 In., Throat Depth 2-1/2 In., Jaw Type Serrated, Non Slip, Lower Jaw Shaped For Universal Use, Clamping Force 440 lb., Locking Mechanism Plastic Coated Release Lever, Screw Mechanism Adjust Clamping Pressure And Jaw Angle Using Screws With Lock Nuts, Pliers Length 8 In., Hardened Chrome, Vanadium Steel, Hardened Chrome Vanadium Steel