1>.G13 lampholder 2>.PC boday PBT rotor . 3>.sheet material is phosphor bronze contacts 4>.certifications: VDE,CQC,CE,RoHS G13 lampholderYG-A-13(a), YG-A-13(b), YG-A-13(c) PC body, PBT rotor, phosphor bronze contactsLamp axis:30 mmPackaging: Inner:200 pcs Outer:2000 pcsWt: 4, 4.5, 8 g MEAS: 43x32x30 cm, Certifications,VDE RoHSCCCCECQC. G13 lampholder