Line voltage PAR30 ring front relamping. Lamp shield 0.040 (1.02mm) steel. All Basic (single circuit), Advent (2 circuits) track systems. Pivot mounting: Tensioned with integral spring washer. Adjusts vertically Monopoint and Multipoint. up to 180... Socket housing 0.030 (0.76mm) steel. Yoke 0.093 (2.36mm) steel. Pivot mounting: Permanently tensioned. Adjust horizontally with 350.. stop. Polarity keyway. Movable contact: Solid brass. Extends for connection to 2nd circuit in Advent track. Push tab: Molded polycarbonate. Detaches unit. Lytespan attachment fitting: Molded polycarbonate. Integral color. Fitter twists onto track, lock on with push tab. Lamp Retaining 0.018 (0.46mm) spring steel. Ground contact. Solid brass. Socket porcelain body, medium base, nickel plated screw shell. 18AWG, SEW-1, 150..C leads.