The Concert Series Timpani Mallets are constructed of 5/8 inch. cherry handles which are hollowed out at both ends to simulate the feel and balance of a bamboo handle. The CT-1 soft/legato model features wooden cores, woven felt liners, and the highest quality German felt covers. Features include: 5/8 inch. Cherry wood handles, in a rich dark stain · Partially hollowed handles create the feel and balance of bamboo mallets · Wood Cores · Woven felt liners · High quality German felt covers