1.low price,high quality,prompt delivery. 2.wire :24AWG 26AWG 28AWG 3.plated:ni or gold plated 4.100%ROHS test 1.Professional manufacturer2.Color:grey,black or upon your request3.Length:upon your request4. Materials: Environmental protection material5.Stricted process control and professional test6.Management certifications :ISO9001:2000,ISO9001:2004,SA800