The DW True Hoop is the result of of nearly a year-and-a-half Drum Workshop spent designing and perfecting this critical hardware. True Hoops are a major advancement in the relationship between bearing edge, drum head and counter hoop. As a drummer, you know how critical that relationship is to tuning and tone. This Batter Side True Hoop is just that, round and flat, and without the typical variations you often see around stamped holes. It even has an attractive new touch: a fully-rounded outer edge. 14"