STIHL Filing Kit for Hexa 3 8 inch Chains 5607 007 1000 Air Mesh MY722 72" Flail Mower MY722 72" Flail Mower Fast Cut Product Type Attachment Mower Specs Mower Specs Cutting Width 72 in Dimensions Dimensions Length 64⁄2 in Height 27⁄4 in Width 79 in Cutting System Cutting System Blade Type Y Rotor Diameter 12⁄2 in Rotor Speed (at 3600 Tractor RPM) 3000 RPM Rotor Direction of Operation Forward Blade Count 72 Frame Design Frame Design Height of Cut Adjustment 1 5 in Oscillation Amount 9 Reduces bending to increase the fork life Kit Includes: The hexagonal shape of the Hexa file and the cutting teeth of the Hexa saw chain are perfectly matched so that you can achieve the ideal sharpening angle in a simple and quick sharpening process