3.5mm 3pole stereo female plastic socket 1.Materials: copper rod (59%), ABS plastic (plus fiber 15%) ... 2.ROHS and REACH 29 item copper rod (59%), ABS plastic,External diameter 6.5mm,total length 18.4mm, 3 ... ABS plastic (plus fiber 15%) 2. Environmental friendly: ROHS and REACH 29 items 3. Fire safety: UL— ... , no breakingTin soldering350°C±10°C, 3-5 secondsCopper sprial diameter6.0/8.0mmlengh18. ...