Detail 01
Universal 12 mm L-arm
The arm uses Pearl’s stated 12 mm universal L-arm format.

Independent shopping perspective
Pearl’s GyroLock-L short tom arm pairs a solid universal 12 mm L-arm with gearless, omni-directional positioning. A single drum-key lock secures adjustment across up/down, left/right, side-to-side, and forward/aft orientation points, while the moveable memory clamp is intended to preserve the chosen angle. The Compass Dial gives visual reference marks for placement. Its interlocking cylindrical mechanism moves smoothly and locks securely without nylon balls or sleeves, supporting repeatable teardown and reset of a tom position.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The arm uses Pearl’s stated 12 mm universal L-arm format.
Detail 02
One drum-key lock secures up/down, left/right, side-to-side, and forward/aft adjustment.
Detail 03
It is designed to retain the selected angle for reset.
Detail 04
They provide a visual placement reference.
Detail 05
The mechanism is designed to move smoothly and secure in position without nylon balls or sleeves.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It uses a solid universal 12 mm L-arm.
A single drum-key lock secures four orientation points: up/down, left/right, side-to-side, and forward/aft.
Yes. The moveable memory clamp retains the chosen angle, and the Compass Dial has visual setting marks.