Promark's Jonathan Haas Timpani Series of mallets are crafted with the highest level of quality and professionalism in mind. Crafted from German felt and Japanese oak, these hard timpani mallets come designed by Haas himself and reigns as the hardest of all the white felt mallets. A great choice for students and professional percussionists, the Promark JH7 line is renowned for the warmth it projects in its tone, as well as durability for long sessions in the bag.