The Bench Clamp Extension allows the Rotating Lever Clamps and Air Clamps with the Universal Clamp Base to be secured to a work bench, MFT-Style table, or attached to a variety of tools, Jigs and fixtures around the shop. The cast stainless steel rotating clamps are incredibly rigid and strong. These clamps provide ample clamping pressure and give the user the ability to locate that clamping pressure exactly where they need it. Depending on the application, it might be appropriate or necessary to cut some of the excess length from the threaded section, this product is offered as a single or 3-pack incase multiples are needed.