1、T Handle: The tuning keys set is ideal for quick removing and replacing drum head, T handle makes the operation easier and smoother. 2、Silicone Cover: One of the key is equipped with a silicone cover, which is anti skid, increases friction, and can reduce the injury to hand. 3、Metal Material: The tuning keys are made from excellent metal, which are more sturdy, will not break, rust or corrode, ensuring long last durability. 4、Smoothly Surface: These drum keys are smoothly and burr free, will not damage your drums or hurt your hands, comfortable to the touch. 5、Ideal Drum Tool: This drum tuning wrench set is a must have item for drummers, light and portable, can repair anytime and anywhere. 4 x Drum Tuning Keys Item Type: Drum Tuning KeysMaterial: Metal, Silicone