Size:G4 Ceramic Lamp Sockets, Holder Common to: Miniature Bi-Pin Base, G4, MR11 Lamp Female Base Socket. Ceramic base, mounting holes, easy installed. hold bulbs tightly. Size,8mm x 210mm (approximately 200mm cable length) The ceramic body lamp holder of socket has excellent heat resistance. Please ENSURE lamp Current, Voltage and Wattage are controlled and the limits are never exceeded. Made Of LCP material, High Temperature Resistant,Isulated Wire Could Stand Termperature 180 Degree Perfect For Rewiring Replacement Ideal For G4 downlight, halogen lamp, LED bulbs, low-voltage lamp and more Easy Install And Fixing,Pair Screw Mount Holes Recessed Package includes:  10 x G4 Lamp Socket 237021136.Item specifics:Item type: Lamp BasesCertification: CCC,RoHS,EMC,ceBase material: Pottery and PorcelainModel number: G4 Lamp BaseWarranty: 2 yearsFeatures: High Temperature Resistant