Line voltage flexible track head is adaptable to all three (L, H and J) track systems and as a monopoint fixture. Ideal for retail or display applications. Easily adjusts to accommodate a wide variety of bulbs. Black finish. 4 3/4 L x 2 Dia x 55 1/8" max ext. Socket rated for 150-watt max and can use PAR16, 20, 38 bulb.