Ratchet and self-releasing mechanism ensure a completed crimpThe cinch&remove tool is constructedof durable high-quality steel with forging process to ensure integrated mechanical property and long service lifeIt’s easy to switch cinch and remove function.And the ratchet design and self-release mechanism makes the cinch easy.The tool is factory-adjusted with no requirement for calibration toolWork with Stainless Steel Clamps of sizes 3/8", 1/2", 5/8", 3/4" and 1"This is a All-in-one kit for pex pipe installation,includes 1pc of cinch&remove tool,20pcs of 1/2” clamps and 10pcs of 3/4” clamps