Use the twin cluster ceiling kit to install a new light fixture. The kit contains a two-bulb cluster socket and white canopy, along with hardware and mounting instructions. Rated 250 volts for use with two medium base bulbs, 50 watt maximum. Holds a glass diffuser (not included), which is held in place by the brass finish lock-up cap and rubber washers. What's Included: (1) Canopy; (1) Two-Bulb Cluster Socket with 18AWG pre-wired 8-insulated leads, Rated: 250V for use with 2 light bulbs, 50 W Maximum; (1) 4 - Offset Crossbar; (2) 8-32 X 1/2 - Mounting Screws; (2) 1/8 IP Rubber Washers; (1) Lock-up Cap - Brass FinishFor ceiling fixtures with two 50 watt maximum bulbsContains canopy, wired socket, crossbar, and hardwareWhite color canopy