Capri Tools 10515 Ultimate Grip Forged Steel Bench Vise, 4" Contains 4 inches wide jaws, 5 inches jaw opening, and 2.9 inches throat depth Made of 90,000 PSI tensile strength drop forged steel Exerts 5,500 LBS of clamping force and comes with replaceable machinist and pipe jaws Comes with 360 degree swivel base, large anvil, and corrosion resistant black oxide handle Includes a lifetime warranty