The Yamaha DK25 Drum Key is a reliable tool for all your drumming needs. Whether it's securing memory locks, replacing heads, or that all-important tuning, Yamaha's official DK25 Drum Key is a handy accessory for all drummers. Its robust construction will see you through a lifetime of playing, while its ridged handle allows for easy, effective use. With a suitable key ring hole, you can store the Drum Key safely on your keys or a lanyard.