Features: Professional drum pedal key set crafted from premium alloy steel delivers durability for precise drum hardware adjustments, compatibility with standard drum pedals to eliminate frequent tool switching during tuning. Each drum tuning key features precisions machined tips with ±0.5mm tolerance control, ensuring consistent for adjustments to achieve optimal drumhead tension and clear. Ideal for percussionists, music educators, and band crews requiring reliability drum maintenance tool during rehearsals, live performances. Compact 250g per key slip effortlessly into drumstick bags or equipment cases, providing instants access for backstages tuning emergencies or outdoor festival setups. Engineered as essential drum hardware tool, this triple pack withstands rigorous daily use across practice rooms, concert stage, and music classrooms while maintaining corrosions resistance. Specifications: Dimension:12.5x3.5cm/4.92×1.38in 7x4.4cm/2.75×1.73in 4.5x3.6cm/1.77×1.42in Component:Metal Package Includes: 3pcs Drum Pedal Tuning Wrenches note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.