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 exclusive, patented hexagonal shape of the chain which cuts up to 10 percent 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.