3 Way Socket Replacement for lamp Removeable Turn Knob~1057 Removeable Turn Knob, 2-Circuit, for 3-Way 2-Filament Lamps Features: Tired of replacing an entire lamp or over paying for a quick socket replacement, this easy to install socket is what your'e looking for! Wattage Rating: 250W 3 way turn sequence LO-MED-HI-OFF, Compatible with three-way light bulbs, or one-way Light bulbs. Can convert previous 1 way lamp to 3 way socket, just switch bulbs to 3 way after install. Medium base (E26) interior only, shell Incandescent lamp holder, removable turn knob, 2-circuit, for 3-way 2-filament lamps SAFE Industry standard socket- Our sockets are UL Listed and rated for up to 250 Watts. This style socket is used everyday for lamp repair by your local business, they are reliable and top quality.