With the Norwood PortaMill , your chain saw and your household ladder, you'll start making accurate, smooth dimensional lumber, from 2 x 4s to 6 x 6s. Handles green logs up to 14in. dia. and as long as your ladder permits. Your chain saw is the saw head, and you set the cutting depth, engage the throttle and push the saw through the cut. Assembly required. Application: Make accurate, smooth, dimensional lumber, Handles up to (in.): 14 green logs, Works With: Chain saw 50cc or higher