Medium-Hard Felt Shira Kashi Oak Mallet MT3 For use on cymbals, big drums, and multi-percussion arrangements, the Promark Multipurpose Felt mallets are perfect. These mallets have a medium-hard felt head and are made from Shira Kashi oak. FEATURES OF THE PERFECT ORCHESTRA CONCERT PRODUCT Measurements: 13" to 14 3/4" Length: Oak Tip/Head Material: Other Finish: Tip for Lacquer Form: Butt Multi-Percussion Type Hardness: 4.