This pack consists of an stealth kick II and a Pro X kick pedal.StealthKick 2 is the compact kick trigger solution. The low-profile design integrates easily into any type of new or existing percussion rig. The rugged metal chassis is equipped with non-skid traction tape that helps keep your StealthKick 2 in place, minimizing crawl. The inverted beater transfers your pedal stroke at full power.With the Pro X Kick pedal, you get a professional bass drum pedal built for rock-solid performance. Whether you play an acoustic or electronic set, the Pro X Kick pedal is loaded with heavy-duty adjustable components, making it the right choice for every drummer and the perfect addition to any drumset.