The Vic Firth M213 Virtuoso Series Medium Hard Keyboard Mallets are a must-have for percussionists. These mallets are designed with a medium hard hardness, providing excellent clarity and response throughout the full range of the marimba. They are part of the Virtuoso series by Vic Firth, known for their high-quality percussion accessories. Whether you're a professional musician or a student, these keyboard mallets will enhance your performance and bring out the best in your marimba playing.