... Brass,Hpb57-3,Hpb59-3,CW614n,CW617n, CuZn39pb3,CuZn40pb2,CW3770,DZR. Stem Brass Stem, Brass as above. Sealing PTFE/TEFLON,VITON,O-RINGS. Handle Brass handle ... ,Iron handle,Plastic handle, Stainless steel handle,Aluminium handle. Nut Brass nut,Steel nut,Iron nut,all Zinc ...