Made of high-quality tempered carbon steel and hardened to long lasting.The jaws with black coating to prevent corrosion and rust. Designed with a quick-release latch quickly extend the handle from 11" to 17" for hard-to-reach valve nuts. Equiped two spring load self-adjusting gripping jaws for faucet nuts across flat 3/8'' to 1-1/4'' and 1-1/4'' to 2-1/2''. The 180 pivoting head can grasp the faucet and fill valve nuts in different angles for easy tightening and removing. A sliding "T" bar handle offers multiple positions for the best leverage in use and most comfortable grip; a rear hanging hole let screwdriver through for maximum leverage and break-away torque. HAUTMEC 11-18inch Telescoping Basin Wrench, Sink Faucet Wrench for Tight Spaces with Replaceable Jaws Capacity 1-1/4''to 2-1/2", Plumber Wrench for Faucet Hex Nuts Install and Repair Under Sink