Brass inserts Material:Brass,copper,bronze Finish:Polish,Chrome,NIckel plated High quality,very low ... ,ISO,ASME/ASTM,JIS,BS,non standard,etc3)Material:Brass,copper,bronze(H59,H62,H68,etc),Stainless steel4)All head types ... `s requirement6)Widely used in electrical,pipe,valve,etc. Brass fittings