11"-17.5"/275-440mm Telescopic Basin Wrench 1.Swivel Action Head With Serrated Jaws For A Better Grip 2.This Wrench For Assembling And Disassembling 8-22Mm Sized Pipe Tap Back Nuts 3.180 Degree Pivoting Head Holds Its Position At Any Angle To Access Hard-To-Reach Nuts 4.Sliding T Shape Handle Offers Multiple Positions For The Best Leverage And Most Comfortable Grip 5.Self Adjustable Jaws Fit Most Nut Or Pipe Fittings For Remove Faucet And Fill Valve Nuts 6.Material:High Carbon Steel