Features: This butterfly drum nut ensures durability and corrosions resistance, solving the problem of fragile plastic knubs and providing safe locking for long terms drum hardware stability. Featuring a butterfly design with finely polished surfaces for comfortable grip, it enables effortless manual tightening or loosening without tools, enhancing drum tuning knobs functionality. Ideal for drummers, musical instrument enthusiasts, and professionals who demand robust accessories for consistent performances in their setups. Perfect for quick adjustments during live performances, rehearsals, or practice, keeping drum set accessories secure and slip frees even with sweaty hands. With 6mm/8mm compatibility, it fits most drum brands for versatile use in mixed equipment, while the zincs alloy materials offer recyclable drum hardware solution. Specifications: Materials: Zincs Alloy Color: As The Picture Shows Package Weight: approx.16g Styles: 6mm/8mm (Optional) Size: approx.38x20x6mm/1.49x0.78x0.23in Package Includes: 1 Set of Drum Nut Knob note: Please allow 1-2cm error due to manual measurement. Please 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. Thanks!