Clear Crystal Harp Medium (8 Notes, 432 Hz) Colored Crystal Tuning Forks (8 Pieces, 23-28 cm, 432 Hz) FQB-001 Black Frosted Quartz Crystal Singing Bowls Set (16-30 cm, 13.5 kg) Titanium Purple Crystal Harp Large (8 Notes, 432 Hz, 1.95 kg) ACB-001 Alchemy Crystal Singing Bowls Set (Octave 4) (13-17 cm, 4 kg) ACB-003 Alchemy Titanium Golden Crystal Singing Bowls Set (Octave 4) (15-18 cm, 4.5 kg) ACB-002 Alchemy Fluorite Crystal Singing Bowls Set (Octave 3) (18-22 cm, 4.5 kg)