TrackMaster® Performance Cycles provides a clear, concise, graphic look at the history of a horse's performances, as well as supplying insights regarding how well the horse should perform today. The twelve month and four year graphs give a quick and easy to use visual format, which greatly aids handicappers in assessing a horse's winning chances versus today's field. The convenient cover sheet is an added bonus to use as a quick reference source. Virtually all Thoroughbred and Quarter Horse races are covered. If you're used to other "sheets" type products, you're going to love this!