This tool offers adjustable blades for fine-tuning angle and depth of cut. Adjustable locking pin so you can control the length of the point taper. Comes with 5/16", 11/32", and 23/64" shaft guides. Machined from aircraft grade aluminum to last a lifetime. Does nock and point tapers. Instructions included. Spare guide sizes include 5/16", 11/32", 23/64", and 1/4".