DELTA 22-790X X Series 15-Inch Planer Its motor-on-top-design saves you time by eliminating the need to move infeed and outfeed rollers every time you make a cut. Oil-bath gear box takes power for the feed rollers directly from the cutterhead Rugged chain and sprocket drive provides positive feeding and long running life Spiral serrated steel infeed roller and polyurethane outfeed roller keep stock moving smoothly and efficiently Cutterhead assembly features a patented adjustment system that accurately raises and lowers cutterhead on four precision-ground columns