MR16 Halogen Lamp SocketThese mini bi-pin sockets are designed for use with G4, G6.35 or GX5.3base light bulbs.The connector base is made of heat resistant ceramic and covered with mica. These sockets are compatible with LED, CFL and Halogen bulbs.They are rated up to 250 Volt and 100 Watt, which will satisfy your various lighting demands. Base has 5 inch longVDE HO5S-K non-braid heat resisting silicone insulated wire with pre-striped ends.The two holes in the middle have metal contacts which connect with the bulb’s pins. The other two holes are where you can insert mounting screws and affix the lamp holder to the surface desired.SpecificationBase dimension: 17 mm x 10 mm Wire length: 5 Inch LongBase type:G4, G6.35 or GX5.3Max voltage: 250 VoltMax power: 100 WattSun-LiteD-17B