eature:100% Brand new and high quality.Medium E27 Standard Base.Rated for up to 250 Watts / 250 Volts.Cap base has 1/8 IPS standard lamp pipe thread with set screw.Installation note: These sockets, like most self wire-able metal sockets, come with a cardboard lining inside.This should be left in as it acts as an insulator. Do not remove it.Specification:Material: Copper+AluminumColour: Black, Silver, Red Brass, Green BrassSize:70mm*30mmBase Type: fit E27Watts: Up to 250wPackage Included:1/3/5 x E27 Lamp holder (Lamp is NOT included!)Note:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 1-2 cm differences due to manual measurement.