TEKTON 39181 6" by 2.5" Ratchet Bar Clamp features: Super-Strong Nylon Jaw Assemblies, Trigger Action Applies Precise Clamping Force, Smooth, Silent, and Precise Ratcheting Action, Position Jaw Instantly Along Bar with Quick Release Button, Soft Jaw Pads will not Scratch or Mar Surfaces, Bar Clamp Jaws Convert for Use as Spreaders, Jaw Capacity: 6", Throat Depth: 2.5"