Gibraltar GLMP 30-Inch Long PostGibraltars modular rack design works perfectly for Drum Corps multi instrument stations giving unlimited mounting options. A nine inch regulation locking caster is mounted directly to the rack, making the entire station mobile. Rack stations break down small for storage, and with all Gibraltar mounting accessory options, your set up can change as needed. Build set ups from Gibraltars vast selection of rack parts and mounts or use the GRF rolling