ITEM NAME:Bulb Socket Adapter E27 Splitter 2 Heads Lamp Base Converter Light Holder #gib Store Home Promotion Hot Item Add to Fav.Uses: Transfer one E27 lamp head out of 2 E27 lamp holders. Interface specification: E27. Size: Lamp base distance 18cm/7.09in, height 11cm/4.33in. Specifications: 2 heads. Health & Beauty. 1 X Lamp Base.