ITEM NAME:5Pcs 9004 Connector Female Socket Holder Base Light Bulb Harness Pre-wired Description: - Heavy duty, High efficient. - Easy DIY installation,Pre-Wired for Plug and Play. - Female connector included,It can be use on any standard bulb housing for extension or replacement purpose. - You can also connect this socket connector to any 12V power source to create a new light outlet. - For Headlight High/Low Beam Fog Light Turn Signal Light Tail Light etc. Specification: - Material: Plastic and Metal - Size: Approx 160mm / 6.30 Inch - Fit: OEM/ Halogen /Xenon(HID)/LED bulb socket. Package Included: 5 Pieces 9004 Lamp Female Socket Holders Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.5 Pieces 9004 Lamp Female Socket Holders. - You can also connect this socket connector to any 12V power source to create a new light outlet. - For Headlight High/Low Beam Fog Light Turn Signal Light Tail Light etc.