Includes 3 adjustables heads, 2 supports, 1 power feed support, 4 feet hand-bendable rail. The track system can be modified by adding accessories as well as other tracks. Head: 3.5" length x 2.5" diameter. LED GU10 bulb compatible. Finish: Satin Nickel with frosted glass. Ask a sale representative for accessories and additional tracks, SOLD SEPARATELY.