Creative Hobbies 3 Way Turn Knob Lamp Sockets - Pack of 3 Complete Sockets Medium Base Fits standard household bulbs and is great for repairing lamps. Popular 3 Way turn knob style in bright gold finish with 1/8 IP female threaded base caps Perfect for 3 wattage light bulbs. U.L. and C.S.A. listed Easy to assemble! Both U.L. and C.S.A. listed, these sockets are rated to 250W and 250V. The bottom cap has a 1/8 IP female thread that will fit onto any standard lamp pipe. The working parts include a sturdy phenolic interior mechanism, brass screw type contacts and an aluminum shell with a cardboard liner. For wiring, just attach your wire ends to the two terminal screws provided. Medium Base Fits standard household bulbs and is great for repairing lamps. This offer is for a package of 3 top quality sockets!