... 's drawing 4.finish: nickel, zinc/chrome plated precision brass connector* Material:brass,copper,stainless steel,SUS304/303,aluminium,aluminium alloy ... after heat treatment* Proccessing scopes: Fiber-optic communications, medical devices category, optical instruments or other mechanical parts, * MOQ:2000PCS* Packing: ... order is welcome* The customized designs are appreciated. precision brass connector