Features:Base:E12 to E27Brand New White Lamp HolderA quality, standard white lamp holder. Ideal for home use. Connectors for easy installation from two sides. Holes are provided for two mounting. Suitable for Industrial Locations, Bulkheads. Easy to install, safe to use. Specifications:Size:55*31mmNet weight:15gPackage weight:25gColor:WhitePacking content:1 x Lamp holder