Ratcheting Bar Clamp - Types of Clamps - 8 Clamps to Help in Any DIY Project - Bob Vila
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Ratcheting Bar Clamp
A bar clamp is similar in construction to a pipe clamp, but it's outfitted with a ratcheting handle that slowly draws the jaws together, so it can be operated with one hand. The handle also has a quick release, making the clamp a snap to remove.