Features: Manufactured from SG iron with over 60000 PSI of tensile strength - Swiveling pad adapts to the correct angle to apply even pressure on the work piece - Textured powder coat finish on frame and black oxide finish on spindle increases corrosion resistance - Specifications: Clamping Capacity: 3"" (76 mm) - Throat Depth: 1 - 11/16"" (43 mm) - Clamping Force: 1000 lbs. - Manufacturer's Warranty: Limited Lifetime - Package Unit: Each - Weight: 0.578 kg - Packaged Length: 0.625 ft - Packaged Width: 0.083 ft - Packaged Height: 0.292 ft