Designed to be attached to your Woodland Mills HM122, HM126/HM130, HM130MAX, and HM136MAX sawmill. The Sawmill Toe Board height can be adjusted using the provided manual hand crank or using an impact gun. For use when cutting logs with tapers. Adjust and level to cut parallel with the grain and produce better quality cuts. Compatible with all ground mount and Woodlander series sawmills. Package includes manual hand crank.