MAPEX Marching Drum Key — High-Tension T-Wrench

One tool every percussionist and tech needs in their pocket: the MAPEX MDK100 marching drum key. Its large T-wrench handle design generates the torque required to tension and release high-tension marching drum hardware efficiently — with a grip that won't slip even during rapid tuning changes on a busy rehearsal day.

• Large T-wrench handle design provides maximum torque for high-tension drum hardware
• Standard square-drive tip fits all MAPEX marching drum tension rods
• Ergonomic T-bar prevents hand strain during rapid large-scale tuning sessions
• Durable metal construction rated for the demands of marching percussion hardware
• Essential tool for techs, instructors, and performers maintaining a marching section
• Compact enough to pocket or clip to a stick bag for always-available access