Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.This is cute keychain design, very unique.and it is a good gift for your friends who love music.4.The drill bit drum key has wide range of uses, suitable for hand electric drills, wind batches, etc.5.The installation of the drum key is simple, making it easy to replace the drum head. The drill bit drum key are made of alloy steel, durable and not easy to damage. Specifications:Material:Drumstick Keychain: Metal and WoodDrill Drum Key: Alloy SteelColor: Drumstick Keychain:SilverDrill Drum Key: Wooden ColorSize:Mini Drumstick Keychain: 80x30mm/3.15x1.18inch(L x Ring Dia)Drill Drum Key: 1x5.06cm/0.39x1.99inch(Dia x L)Aperture width: 5.5mmDiagonal aperture: 7.5mmWeight: 145g Package include:5x Mini Drumstick Keychain5x Drill Drum Key