1,Material: brass 2,Finish: P&L,S&L,CP,NP,SCP,SNP 3,OEM and ODM is available 4,a competitive price Brass dust-proof1,Material: brass2,Finish: P&L,S&L,CP,NP,SCP,SNP3,OEM and ODM is available4, a competitvie price5, superior products with a good afterservice