9021AL Finish: Aluminum Features: -Mini Universal.-Lytespan Attachment Fitting: Molded polycarbonate.-Adapter twists onto track, locks on.-Trunion Mounting: Tensioned with internal spring washer and vibration resistant nut.-Movable Brass Contact: Extends for connection to 2nd circuit in Advent Lytespan Track.-Push Tab: Molded Polycarbonate.-Detaches unit.-Porcelain Socket.-Sliding socket accommodates a variety of lamps and sockets.-Porcelain socket, medium base, nickel plated screw shell. No 18 braided SF-1 leads.-Adjusts vertically 90.-Pivot mounting: Tensioned; adjusts horizontally 350 stop.-Housing: .040'' aluminum.-1/8'' Steel Yoke. Color/Finish: -Finish: Matte white.-Integral color. Specifications: -PAR16, R20, PAR20, PAR 30 and PAR38 from 30W to 250W. Collection: -Track collection.