Promotes Relaxation: Tuning forks can promote relaxation, and tuning fork helps induce a state of relaxed thoughts. Easy to Use: The resonant tuning fork can be used as a crystal energy purifier, good sound instrument, easy to carry and operate. Smooth: The of the resonant tuning fork is round and smooth with no burrs, so you don't have to worry about scratching your hands. IMPROVES CLARITY: Tuning fork helps improve metal clarity, focus, and cognitive function, improving physical and mental performance. Combined use: Tuning forks can increase the effectiveness of alternative therapies, and tuning fork can be combined with meditation, massage and acupressure. Design and Style: Ergonomic, Sleek, and Elegant Usage and Purpose: Sound Healing, Chakras Harmonization, and Alignment Shape and Size: Compact and Portable for Easy Handling(4096C, MI528, 128C, OM136.1) Color: Red Material: aluminum alloy Package Contents: 2 x mallet (random colors and styles, don't accept the specified color.) 4 x tuning forks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.