Features: Used for rotating the drum screw, adjusting the tightness of the drum surface, so as to adjust the sound. High quality and durable, not easy to break. Great drum tuning key, easy for you to use. The handle head can be rotated, very handy to use. Adopt fine workmanship and delicate design, smooth surface for you to use. Specifications: Condition: 100% Brand New Material: metal Weight: Approx. 100g / 3.5oz Size: Approx. 4.7 * 3.5 * 1.3cm / 1.9 * 1.4 * 0.5in Inner Diameter: Approx. 5.5mm / 0.2in Color: Silver Package list: 2 * Drum Tuning Key Package List 1Used for rotating the drum screw, adjusting the tightness of the drum surface, so as to adjust the sound. 2High quality and durable, not easy to break. 3Great drum tuning key, easy for you to use. 4The handle head can be rotated, very handy to use. 5Adopt fine workmanship and delicate design, smooth surface for you to use.