Leviton 9880 Medium Base, Two-Piece, Keyless, Incandescent, Unglazed Porcelain Lampholder, Surface Mount Low, Single Circuit, Back Wired, White Pack of 1 - Medium Light Socket - Amazon.com
Leviton Plastic Keyless Lamp Holder R50-08829-CW4 - The Home Depot
Leviton Keyless Medium Base White Porcelain Lamp Socket | Ivey Lumber Company
Leviton - E-26 Medium Base One-Piece Glazed Porcelain Keyless Incandescent Lampholder
Leviton 3152-8 - 1-Piece Bracket Mount Porcelain Keyless Medium Base Lampholder
Leviton 660-Watt Keyless Porcelain Lamp Holder 8875 - The Home Depot
Leviton Keyless Medium Base White Porcelain Lamp Socket - Carpenter Bros. Hardware & Rental