These sockets allow the use of lamps with different bases. However, it must be noted that a lamp with a smaller pin diameter should never be used if a lamp with a larger pin diameter has already been used. G4, GY6.35 sockets GX5.3, GZ6.35 connection elements Housing: ceramic, cover plate: mica T350, nominal value: 10/24, contacts: Ni Cables: nickel-plated copper, multi-wire 0.75qmm, PTFE insulation, max. 250°C through holes for M3 screws Type: 324 Cable length: 1050mm, wire end ferrules Design: connection element and socket Material: ceramic Color: white With starter holder: No