Bases for lampholders G4 Adapter base G6.35 - G4 short VK/5459 Adapter base G6.35 - G4 long VK/5459/13 Base with thread G6.35 - G4 VK/5479 Ring for base G6.35 - G4 VK/5478 Rosette G6.35 - G4, plastic, white VK/5480/W Rosette G6.35 - G4, plastic, black VK/5480/B