The standard Adapta-Lights all feature 660-watt medium screw-base phenolic sockets, 10ft. 2-wire cords and 5/8-inch mounts. The reflectors are hand-spun and chemically etched to maximize light output. The exteriors have a photographic black, baked-on enamel finish. The insulated handles allow for heat-free adjustment while in use. Lamps sold separately.