TAMA Safety Lock Marching Stands set the standard for adjustability, versatility, and safety. All stands easily adjust to the desired height. Snare, tenor, and bass drums can be positioned in any of 360 degree positions with complete stability. The center of gravity design prevents drums from tipping over. Legs can adjust to allow setup on uneven terrain or in stadium seating. All stands include a duel locking system that safely lock each drum to the stand. Even bass drums will stay in place if accidentally bumped or in high wind conditions. Each stand also features a multi lock clamp to securely lock each stand to the stadium seat. There is no danger of stands tipping over while performing at sporting events.Safety Locks prevent wobbling of bass drums and insure a stable, safe, and silent connection to the carrier.Two legs of each Safety Lock Marching Stand can be adjusted individually to allow stable drum set up even on uneven surfaces. In stadium locations, the two legs positioned in the higher position will provide increased stability.