1 brass couplings 2 Custom Fabrication Services,we need drawing to quote and produce 3 high quality and fast delivery brass couplings,brass hose,electric brass hose,pipe connector,male female connector,electric hose1 material:brass,copper2 finish:self-color3 tolerance:within ±0.05mm4 Our company has rich experience in the production of pogo pin and varoious metal parts , Wiith superb technology ...