The G9 light base socket is very convenient for replacing halogen lamps, ceiling lights and spotlights.Specifications:Material: Ceramic, CopperVoltage: 250VCurrent: 2AInterface Thread Specification: 1/8IP(Compatible for M10*1)Overall Size: 123x23mm/4.8x0.9 inch (L*D)Lamp Head Size: 36.5mm/1.44 inchPacking List: 4 Set x G9 Light Base SocketAdvantage:The G9 lamp base socket is made of ceramics, handling high-heat light bulbs. Durable fireproof materials, No Fire & Erosion-resistant.Instruction:Fit the G9 base 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.