This line of professional keyboard mallets has been specifically designed for Belgium marimba artist Ludwig Albert III.The 8 models are constructed of superior either quality Rattan, or Natural Birch handles as well as specially weighted rubber cores and varying sizes and degrees of hardness.Wool-blend yarn is used to fully maximize the dynamic potential of the Ludwig Albert Series of professional keyboard mallets, andthe unique shape allows for precise tonal clarity.The length provides an ultimate balance, which will meet the needs of todays professional player.All models are also available on natural birch handles. Features: · Rubber cores of varying size, shape, and hardness · Superior quality rattan · Wool-blend yarn wrap · Available on natural birch handles