Leviton 8681 | Mogul to Medium Lamp Socket Adapter
Leviton 660-Watt White Mogul to Medium Porcelain Lampholder Socket Adapter R50-08681-000 - The Home Depot
Leviton 8681 Mogul-Medium Base, One-Piece, Adapters and Extensions, Incandescent, Glazed Porcelain Lampholder, To Be used in Porcelain Sockets Only (White), Light Sockets - Amazon Canada