Meinl Sonic Energy Tuning Fork - Hydrogen Gamma - 157.04 Hz (TF-E-HY)
Meinl Sonic Energy Tuning Fork - Apsidis' Rotation - 246.04 Hz/E3 (TF-M-AR)
Meinl Sonic Energy Tuning Fork - Culmination Cycle - 187.61 Hz/F#3 (TF-M-CU)
Meinl Sonic Energy Tuning Fork - Moon Knot - 234.16 Hz/A#3 (TF-M-K)
Meinl Sonic Energy Tuning Fork - Metonic Cycle - 229.22 Hz/A#3 (TF-M-MC)
Meinl Sonic Energy Tuning Fork - Saros' Period - 241.56 Hz/B3 (TF-M-SP)
Meinl Sonic Energy - Tuning Fork Case for 8 tuning forks (without Tuning Forks) (TFC-8)