100, 175, 250, 400, 1000, and 1500 watt Metal Halide replacement ballast kits. Metal Halide Ballast Kits include the following components; Transformer, Ignitor (if applicable), Capacitor, Universal mounting bracket, and wiring schematic. These are component kits, not complete ballast enclosures, designed to replace a failed ballast in an existing lighting system and do not include the socket or an enclosure