Indian Nautical Instruments offers Cast Brass Ship Bells. Indian Nautical Instruments also manufactures and exports compass, telescopes, binoculars, nautical sextants, marine clocks, sundial compasses, divers helmets, ship-wheels, ship-bells, sand timers, pocket compass, armoury items, amoury helmets, brass gifts, handicrafts items embroidery box, artificial jewelry, key chains and jewelry boxes. The Cast Brass Ship Bells are used by sailors to indicate the change of duty at the deck. The available varieties of Ship Bells are hand bells, anchor bells, chelsea ship bell, quartz ship bell, lanyards and chrome bells.