The Stihl Hexa™ Basic Filing Kit provides fast, easy hand sharpening of Stihl high-performance Hexa saw chain. This easy-to-use filing kit is designed to complement the chain’s exclusive, patented hexagonal shape which cuts up to 10% faster and stays sharper longer when compared to Stihl Rapid™ Super (RS) saw chain. Maintain a fast-cutting and long-lasting edge with the Hexa Basic Filing Kit.