Replace a broken or worn socket key or knob with these socket keys. With a brass finish and antique styling suitable for a variety of table and floor lamp fixtures, the key style allows for better gripping leverage to easily turn lights on and off. The socket keys come with 1/2 inch extenders to position the socket key further away from the socket, if necessary. These socket keys and extenders are tapped 4-36 thread size for easy replacement key installation.