... Brass,Hpb57-3,Hpb59-3,CW614n,CW617n, CuZn39pb3,CuZn40pb2,C3770,DZR. Stem Brass Stem, Brass as above. Sealing PTFE/TEFLON,VITON,O-RINGS. Handle Brass handle ... ,Iron handle,Stainless steel handle. Nut Brass nut,Steel ... .4.Guaranty: 5 years guatanty5,Surface: brass color, yellow color6,certrification: CE ISO9000:2000 ...