Description:1.About Products - Have a screw on base.Helps you to create your own design E27 Incandescent,LED lamp or chandelier.ATTENTION - PLEASE CHECK the dimensions and specifications of this product CAREFULLY before purchasing, avoiding buying wrong item.2.Easy to Install - These lamp holders are suitable for bulb features with E27 Screw Bulbs3.CE Certified - 210C heat resistant plastic, corrosion resistant, can be removed to allow the fitting of a lamp shade.4.Application - Perfect for restoring old lamps and lights or for all of your lighting fixtures.You can use it to make all kinds of DIY simple lamps. Specification:Material: PlasticVoltage: 250VCurrent: 4ALamp Base: E27Total Size: 37 x 58mm/1.46-inch x 2.28-inch (D*H)Mounting Hole Diameter : 9mm/0.35-inch Package Included:12pcs x Light Socket