1) Item No.: E40 base
2) Brass material
3) With threads,the threads is rolled to the end
4) It can be screw shell for lampholder E40 or E39
5) Finishes: brass-nickel plated
6) performance: 100% brand new and high quality,high stable,thermostability,low power consumption,long life
7) Main applications: LED, halogen, filament or CFL light bulb
8) Sea transportation, safe and reliable structure
9) Other Specification: E39,EX39,E40 and E series, B series, P series,lamp socket,Conversion socket,Special lampholder
