Every woodworking shop stocks several types of clamps so wood can be drilled, shaped and fastened together. They're used by plumbers and electricians to secure pipes and conduit, fence companies ...

When you buy a pipe clamp, such as the Bessey ¾-inch H Style Pipe Clamp (list price $15.99 on Amazon), you'll also need a length of ¾-inch diameter pipe (although different size pipe clamps ...