Ideal vise for light industrial, automotive, and farm use. 30,000 PSI tensile strength casting. Hardened steel jaw faces and permanent pipe jaws. Powder-coated finish for extra durability. Size: 4 In. Clamping Strength: Capacity: 4 In. Throat Depth: 4 In. This product can expose you to chemicals including lead which is known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -