View larger Gibraltar SC-4425STMB Splash Tree Boom Arm 4425MB with CLRA cymbal arm attachment. Splash tree boom arm. 4425MB with CLRA cymbal arm attachment. SC-4425MB Mini Cymbal Boom Ratchet Tilter - 7/8" diameter tube 10" down tube length. Gibraltar Hardware We're not into maple, beech, or birch. We're not drum builders. We're not into bronze alloys and hand hammering. We're not cymbal-smiths. We are Gibraltar. And Gibraltar is hardware. This undeniable focus makes us better at what we do and who we do it for. No matter what brand of kit you play, Gibraltar supports them all. Rock Solid isn't just our slogan. It's our mission.
