HERCULES DS520B SUPPORT. Trombone stand. Clamping on the rod instead of the bell. The EZ Top Bracket adjusts to the width of the trombone. The legs add extra stability and fold compactly. Height: 860mm. Weight: 1.6kg. Folded size: 785x115mm. The HERCULES EZ-SAFE stands for band and string are designed as a solution to the drops of high-priced instruments from traditional stands.