Timeless designs with a loud, clear tone, undoubtedly some of the finest bells available \n 45mm diameter brass or aluminum dome with coil spring striker \n Steel plate mount fits 23.8 or 22.2mm bars without needing a shim \n Two slots on the lower clamp \n Multiple finishes including brass, copperfinished brass, chromeplated brass, silver alloy, and polished silver alloy, neo black is shiney transparent black and stealth black features matte black dome and hardware \n Made in Japan