... .OEM offered 4.high quality and reasonable price conical battery contact black compression spring with high quality specification1.made of ... Description: Products Name conical battery contact black compression spring with high quality Brand NameXLSWire dia0.1 to 5mmMaterialCarbon ... galvanized wire,alloys,etc Surface Treatment Zinc,Nickel,Silver,Golden,Tin-plated,Powder coating Usage Generally used ...