This E39 Porcelain / Ceramic Lamp Holder is using radioceramics and with good quality, reasonable price.

E40 Porcelain / Ceramic Lamp Holder Using Radioceramics

Specifications:

1 Porcelain Crust: radioceramics

2 Metal Parts: copper with nickle plating

3 Size: H48mm X Dia.38mm

4 Standard: IEC

5 Certification: CQC(3C) / UL / VDE / CE / EK