The Monorail 12V Straight Kit 600W Surface Dual Feed Magnetic by Edge Lighting Monorail 12 Volt Straight Kit with 600 Watt Dual Feed Surface Mount Transformer is available in a 4, 8, 12, 16, 20, 24, 28 and 32 foot length. Finish in Satin Nickel, Antique Bronze or Polished Nickel. Kit includes a 600 watt dual feed 12 volt surface mount magnetic transformer, straight run of Monorail, 1 inch standoffs for every three feet of rail, two pairs of end caps, and isolating connectors. Maximum 300 watt load per feed for 12 volt dual feed system. Dimmable with a 1000 watt low voltage magnetic dimmer, sold separately. Fast Jack 12 volt pendants and heads available, sold separately.