e27 ceramic lamp holder

E27 ceramic lamp holder green Medium Base - incandescent Screw terminals are backed out. Hickeys and nipples have 1/8 inch thread for mounting on standard fixture, 0.44 inch bracket height, 1.88 inch overall height. 660 watt, 250 volt. Temperature rating of -40 to 65 degrees C. Interiors have removable turn knobs.

1. Aluminum plated copper screw shell, iron plated copper center contact, zinc alloy terminal
2. Ron plated copper screw shell, iron plated copper center contact, zinc alloy terminal
3. Iron plated zinc screw shell, stainless center contact, zinc alloy terminal
4. Full Copper metal parts
5. Full copper plated nickel metal parts
6. Aluminum plated copper screw shell, copper center contact, zinc alloy terminal
7. Iron plated zinc screw shell, iron plated copper contact, zinc alloy terminal
8. Aluminum plated copper screw shell, stainless center contact, zinc alloy terminal
9. Aluminum plated copper screw shell, copper centre contact, copper terminal
10. Ron plated nickel screw shell, iron plated nickel center contact, zinc alloy terminal