Features:  Rubber non-slip protective cover, non-slip and not hurting hands, three colors are available, zinc alloy key body. Safe, firm and durable, T-shaped universal professional drum key.  Small and exquisite, easy to carry, not easy to rust, fast locking/removing screws. Suitable for most conventional drums on the market, as well as square screw snare drums, marching drums, etc.  Universal Drum Tuning Key.  Suitable for drum lovers.     Specification:  Material: Zinc alloy;  Inside diameter: 5.6MM;  Item type: Drum tuning key;  Weight: 69.5g.     Package Included:  1 PCS Drum Tuning Key.     Note:  1.Due to the difference between different monitors,the picture may not reflect the actual color of the item.  2.Due to the manual measurement and different measurement methods, please allow deviation. Thanks