PREMIUM QUALITY: Made of high quality aluminum alloy material, sturdy, durable and stainless. The tuning fork produce clear tones, longer vibration sound and accurate tuning.The circular design of the tail perfectly combines aesthetics and comfort. MORE DETAILS: The tuning fork is put in the pocket to avoid being worn by other sharp objects. We provide a bag and rag to protect it. Please do not keep the hammer and tuning forks in a wet place for too long, or keep the hammer & tuning forks dry and away from the sun before and after use.