Sound Runner bells from Ohgi-Japan offer many unique features for those interested in purchasing a bell. From offering different materials and finishes, positionable strikers, multiple width bar clamps, amd even classicly styled brass bells with high strength springs, Ohgi certainly offers a bell that will get your attention; be it visually or audibly.Specifications:Bell Material:AluminumBell Finish:Yellow PaintedClamp Material:PlasticClamp Finish:BlackClamp Diameter:22.2/25.4mmAdditional Features:24 position striker