Improve Showering Experience: the shower head extender is made to extend the length of the shower head and lower it down, making it more convenient for you to take a shower, improve your showering experience Reliable Workmanship for Lasting Service: made of quality stainless steel, the shower head extension arm is compact and sturdy, not easy to leak, deform or rust, so you can use it with confidence Reasonable Size to Use: the package comes with 2 pieces of shower head adapters, designed with a length of approx. 50 mm/ 2 inches, enough to meet your using and replacing demands in daily life; Please check the size carefully before ordering Satisfactory Practicality on Various Occasions: the shower arm extension can be widely applied to fuel equipment, piping, pneumatic systems, gardens, swimming pools, etc., which can bring people lots of convenience More Details: the shower extension coupler has evenly carved threads (1/2PT), with the outer threads measuring approx. 20.4 mm/ 0.8 inches, and the inner threads measuring approx. 18.3 mm/ 0.7 inches