... be accepted 3>Fast delivery Customized metal terminal block for PCB Product materialphospor copper, bronze, etc, according to buyer' s requirment ... . Plating: Tin, Silver, Nickel, Gold, according to buyer.Precision ≤ 0.01mmRoughness 1.6UM RA-6 ... drawing and other some information . Customized metal terminal block for PCB Bosi-H1227-10