Siding Roundup: 8 Options to Beautify Your Home

One of the most widely used and most versatile clamps, the C-clamp is generally made of steel or cast iron. It comes in a variety of sizes and is operated by turning a threaded rod that closes the "C" when tightened. You can easily overtighten a C-clamp, so take care not to damage softer woods—sandwich your work between blocks of wood, or buffer it with cardboard or felt.