Product details:

MP-Tellium Head 3IN, sn-Simple, industrial-inspired head puts light where you need it. Machined aluminum and brass housings create crisp edges. Head rotates 360; pivots 90 to direct the beam. Integrated lens holder accommodates up to two lenses or louvers (sold separately). Accepts low-voltage, MR16 lamp of up t o 50 watts (not included).