Planetary tuned energy chime from Sonic Energy series that is made using the calculations of Hans Cousto (The Cosmic Octave) to match the frequency of platonic year of Earth and is tuned to produce the corresponding frequency of 2752.96 Hz/F7 within the A4 range of 440 Hz-433.56 Hz. It has been designed for use in therapeutic applications. The chime is handcrafted in Thailand from silver anodized aluminium alloy and features a hot-branded logo. A wooden beater is included. Dimensions: 162 x 34 x 46 mm. Weight: 132 g.