This set contains nine large chimes,Soulstar 174hz,Earthstar 285hz,Ut 396hz,Re 417hz, Mi 528hz, Fa 639hz, Sol 741hz and La 852hz and Ti 963hz.The largest set has the deepest vibes of all. Great for large space clearing or intense inner workout,or group sound sessions.Comes with two racks to hang your chimes! Pack includes a mallet striker and a guidebook.