1, 4.5cm dia ,nicer surface finish available 2, with ringing sound 3, various usages 4, good quality 5, OEM ... in long distance 2, good quality and reasonable price3, with antique polish surface finish 4, laser engraved logo avaialble on bell5,OEM ... are welcome 2" brass small bells for decoration A8-001 with polished surface finish(A523) .