9" shower arm high-grade copper Exported to Europeon and North American market CE approved (1) 9" in length,POLISHED BRASS,CHROME PLATED (2)2.5 GPM MAX at 80 psi (3)vandal proof allen screw G1/2-14 (4)XC902C sise(mm) and specifications display as follow: 9" brass bathroom shower arm(XC902C/ISO9001)