Lightweight & Easy to Use: Made from durable aluminum alloy, this Pex Crimping Tool is lightweight and easy to carry, with simple two-handed operation for comfort during extended use. Wide Compatibility: Works with Copper Pipe sizes 1/2″, 3/4″, 1″ and ASTM F1807 PEX Pipe Copper Rings sizes 3/8″, 1/2″, 5/8″, 3/4″, 1″ for versatile applications.