Every clamp collection starts with a few C-clamps. Light-duty C-clamps are sufficient for most home and shop projects; I'd recommend getting six to eight clamps ranging from 4 in. ($9) to 8 in.

This series of plates grips the pipe when at an angle, keeping the static side of the clamp in place. Straighten the plates, and they release their hold, making quick adjustments a breeze.

Each piece should be a minimum of 16 inches long, just to make them easier to work with—they’ll eventually be cut down to nine inches each. 2. Cut the front of the clamps’ jaws. Once you ...