Power Team Mechanical Jaw Puller, Series: MP Series, 2 ton Capacity, 3-1/4 in Max Reach, 4 in Maximum Spread, 2 Jaws, 1/4 in Upper, 1/2 in Lower Jaw Width, 3/16 in Upper, 1/8 in Lower Jaw Thickness, 3/8-24 x 4-7/8 in Screw, Yes Reversible, Alloy Steel.