Equator Brass Bells, with lower pitch.
Quality made brass bells made in the USA by Larry Counce, his lower pitch bells are used world wide and prove to be one of the best lower pitch bells made to date. If you need a bell that is a little easier to hear, this is the bell for you. Comes in two sizes only.
220 Bells in top of picture, for Red tail/ Female Harris hawk size.
221 Bells in lower picture, for Female Peregrine to Male Goshawk size birds.