Save some weight in your hardware bag by mounting cymbals directly to your Ludwig shells with the A.T.L.A.S. mounting system. This cymbal arm mounts directly to your A.T.L.A.S. drum lugs (not included, sold separately) to save you space in tight rooms and on busy stages. The A.T.L.A.S. Classic all-metal cymbal arm supports crashes, splashes, trashes, and rides, and features Ludwig's Aerodyne tilter to position cymbals at the ideal striking angle. It features a 12.7mm ratcheting clamp base to work with compatible mounts. Ludwig A.T.L.A.S. Classic Telescoping Cymbal Arm Features: Low-profile cymbal arm for A.T.L.A.S. drum lugs (not included, sold separately) Part of the Ludwig A.T.L.A.S. Classic series Saves weight in your hardware bag compared to full stands Saves room onstage and in cramped spaces All-metal construction is durable enough.