This Back Lapper, model 365, is ideal for quick touch up of all your reel mowers between major sharping and quickly sharpens. It is fast and easy to set up, the back lapper connect easily to most reel mowers and can sharpen gang mowers while still connected to the frame and the tractor. This means minimized downtime and maximized performance. Included with adjustable height mower stands and a drive coupler 1/2".