Pipe Welding Vise, 1/2 to 8-inch Pipe Welding Clamp with Dual Chains & Crank Handles, Heavy-Duty Cast Iron Welding Vise for a Variety of PipesProduct Features Suitable for Various Pipe Sizes The pipe welding vise accommodates a wide range of pipe diameters, from 1 2 inch to 8 inches. Stable Pipe Clamping Our pipe welding vise is equipped with dual chains (43. 7 inch) and dual crank handles, evenly distributing the clamping force with great stability, while also reducing the risk of pipe deformation or damage. Robust and Durable Made with heavy duty cast iron, this pipe welding clamp tool