... socket: 1.ROHS REACH certificate 2.Environmental protection 3.6.3*3.0*23.0L,nickel plated 4.6330 dc ... POM black plastic, 23.0L, 6330 laptop plug socket, 6.3 dc jack socket: 1. Materials: copper (59%), POM ... ) 2. Environmental friendly: ROHS and REACH 29 items 3. Admittance: no shorting, no breaking 4. Tin soldering ... dry area 6. Every style monthly output 3,000,000 pcs 7. Outer Dia:6.3mm Inner Dia:3.0mm ...