Top quality Edison screw (E27) bulb holder made from durable Black thermoplastic. Supplied with matching nylon cord grip allowing use with pendant lights. One Lampholder (Light Bulb Holder) consists of: ● 39mm half-threaded barrel for Edison Screw cap bulbs ● lamp shade ring (57mm at widest part) ● separate internal electrical connections with traditional screw terminal blocks ● auto-locking saftey screw-on lid ● 10mm threaded entry. Suitable for 220-250 volts ~ 4Amp capacity, 60 Watts NOTES: This item does not require grounding via earth connection. Shade hole diameter required; between 40mm – 55mm. We provide access to un-locking instruction with every unit supplied. Orders placed before 3pm are shipped same day with next-day delivery options available at checkout. Art Deco Emporium Ltd. provides full UK support to all our customers via email or telephone.