This line of mallets is designed with durability, projection, and tone quality in mind. The winning combination of hand crafted quality and field tested design has led this series to the forefront of today's marching ensemble. The FS150 model is a set of soft marimba mallets with a gray yarn head and birch handle. Features include: Hard Rubber cores to create a full, rich tone and warm fundamental · Increased weight for added projection · Polished Birch handles · Specially designed, extra-durable Synthetic yarn.