HINGED MEMORY LOCK FOR 7 8 INCH DIAMETER ARMS: Designed to fit 7/8 inch cymbal arms, tom arms, and accessory tubes, helping maintain precise positioning across repeated setups. HINGED DESIGN FOR EASY ADJUSTMENT AND REMOVAL: The hinged construction allows fast placement, repositioning, or removal without fully disassembling hardware, saving time during setup and teardown. MAINTAINS CONSISTENT HEIGHT AND ANGLE SETTINGS: Locks in your preferred positions so cymbals, toms, and accessories return to the same feel and layout every time. COMPATIBLE WITH CYMBAL TOM AND ACCESSORY ARMS: Works seamlessly with cymbal arms, tom mounts, and accessory holders used on racks or standalone drum hardware. IDEAL FOR RACK AND STAND CLAMP SYSTEMS: A reliable positioning solution for modular drum setups, helping speed up assembly while maintaining professional consistency.