A contoured frame allows for easy alignment while adjusting the cutter to make a cut. Ergonomic knob allows for easy adjustments. Now includes X-CEL Knob for quicker cutting. The bearings create a smoother cut, and allow for increased speed around the tube. Specially designed Stainless Steel cutter wheel in 35S and 65S contains bearings in the hub, to decrease drag around the tube for a smoother cut.