4pcs Drum Keys with Continuous Motion Speed Key Universal Drum Tuning Key Percussion Instruments Parts Features: 100% brand new and high quality. Made of high quality chrome-plated steel construction, solid and durable to use, lightweight for easy carry. Perfect for all drums with standard 1/4" socket square tension rods. Includes 3 standard drum keys and 1 continuous motion speed drum key. The spinning camber design of the continuous motion key makes it ideal for quickly and easily removing and replacing drumheads. FUNCTION: essential drum accessory will make sure your drum skins are always in fine tune. Specifications: Color: silver Material: chrome-plated steel Size: 4.6cm/1.81"3.6m/1.42" Quantity: 4pcs Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 4 Drum Keys