Features90 deg C vertical aiming capability and 358 deg C rotationCopper alloy contacts provide precise spring actionTrue, positive electrical groundPatented embossed polarity arrows on bottom of adapterSpring loaded locking latch with embossed polarity arrows secures trac light to tracCompatible with both Trac-Lites™ and Trac-Master™ tracPull-up contact to up position for use on Trac-Master™ two circuit tracMedium base porcelain socket with nickel plated copper screw shellDrawn steel housingFor use with 50 W maximum PAR20 lamps