Check the listing for details. 118mm R7S Socket Ceramic Lamp Holder Halogen Socket. Color: Multicolor, White, Condition: New. Listed at 12.93 USD. This lamp holder is suitable for R7S double head bulbs such as floodlights, DIY projectors, aquarium lamps, etc.SpecificationColor: Multicolor, WhiteMaterial: Ceramic, MetalScrew Specification: R7SThreaded Hole: M4Wire Length: 15 cm / 5.9 inchSocket Dimensions: 118 x 10 mm / 4.6 x 0.39 inch (L*W)Working Voltage: AC 110-250VMaximum Operating Current: 2APacking List: 1 Pcs x R7S Lamp HolderAdvantage1. Both ends of the lamp holder are made of ceramic, which is high temperature resistant, durable, compact and easy to install.2. Bow bracket design, strong rigidity, more solid, galvanized surface treatment, not easy to rust, durable.InstructionFit the R7S LED, halogen, or CFL light bulb on the lamp base socket, and fix the socket in the place your need.Note: Please check the specifications before purchasing.