The Tom Spring Set designed for a Tom rack. The Tom Spring can be attached to any snare stand without loss of sustain. It's a flexible interface between your tom and snare stand. They were designed to resonate instantly at the same frequently as your drum and keep your tom resonating fuller and for longer. It fits all 12'' and 13'' rack toms with 6 lug triple flanged or die cast hoops. Number of packages: 3