Designed for Power Tower System racks – The A13S memory lock is engineered specifically for use with the Tama Power Tower System, ensuring precise compatibility and secure positioning within your drum rack configuration. Secure and repeatable height positioning – This memory clamp allows you to lock hardware components in place, helping you maintain consistent height settings between rehearsals, studio sessions and live performances. Durable metal construction – Built from robust materials to withstand regular setup and breakdown, the A13S delivers dependable clamping strength and long-term reliability for gigging drummers. Faster setup and pack-down – By marking exact placement points on your rack tubing, this memory lock reduces setup time and ensures accurate reassembly, ideal for touring musicians and shared stage environments. Compact and unobtrusive design – The low-profile clamp integrates neatly into your rack system without adding bulk, maintaining a clean and professional drum hardware appearance.