Crimping Tool (clamp) for PEX plumbing fittings. Short model 11 inches in length, ideal for tight spaces. Easy to use ratcheting tool avoids making a bad connection and jaws are automatically released when the assembly is finished. Starter kit includes: 1 crimping tool, 20 rings 1/2 in. and 10 rings 3/4 in. made of stainless steel.