Locking clamps provide an extra-tight grip when your project calls for safe, stable securing and tightening. Vice grip clamps, locking clamps and welding clamps are frequently found in wood and metal shops, construction sites and welding stations. The adjustable jaws of a locking C-clamp allow you to lock your clamp on surfaces and objects of varying dimensions. Find the kind of clamp that suits your needs, and lock in on it. For more, browse bench vises, bar and pipe clamps, C-clamps and spring clamps.