Use The all-purpose heavy duty TEKTON 8 in. Swivel Bench Vise is the benchtop work horse your garage or shop can"t live without. Whether you are repairing vehicles, metalworking, or assembling parts, you can work better, faster and safer knowing it is properly secured. Just lock it in and thread, fasten, build, bend, shape, or sharpen it with confidence. Performance Made from 60,000 PSI malleable steel, durability and dependability are built in. The replaceable non-slip steel jaws deliver up to 8,800 lb. of clamping pressure so your project won"t budge. For forming and shaping metal pieces, the polished anvil offers a smooth, consistent work surface. Built-in serrated pipe jaws hold pipes up to 1-1/2 in. diameter without damaging pipe. Design Rotate the vise around its 360-degree swivel base and you can position your work in just the right spot. Once there, dual lock-down nuts keep it in place. Turn the sliding T-bar handle and the jaw glides smoothly along the Acme-threaded main screw without binding or chattering, even as clamping pressure increases. Guarantee Don"t worry. The vise is backed by the TEKTON lifetime replacement guarantee. So, go ahead, Take It On. Specifications: Material: Malleable steel Jaw opening: 6-3/8 in. Throat depth: 3-7/8 in. Pipe Jaw Capacity: 1-1/4in. - 1/2in. Anvil size: 3-3/4 in. by 3-3/4 in. Swivel: 360-degree Tensile strength: 60,000 PSI Clamping pressure: 8,800 lb. Weight: 40.2 lb. Mounting holes (3): 11/16 in.