The Performance Tool W3982 8" Deep Throat C-Clamp is a heavy-duty clamp designed for projects that require extra deep clamping. Constructed with Heavy Cast Iron and a powder-coat finish, this clamp is built to last and has rust resistance for a long lifespan. With an easy-to-use heavy sliding t-handle and an extra-large swivel base, tightening is quick and simple, saving you time on your project. This U Clamp has a versatile 3" jaw opening, making it ideal for a wide range of applications from woodworking to metalworking and beyond. The clamp's deep throat depth of 8" allows ample room for even the largest workpieces, making it an essential tool for any workshop or garage.