Six-individual bearings replace traditional rollers. The bearings create a smoother cut and allow for increased speed around the tube * A contoured frame allows for easy alignment while adjusting the cutter to make a cut * Specially designed stainless steel cutter wheel contains bearings in the hub, to decrease drag around the tube for a smoother cut * Ergonomic knob allows for easy adjustments * Ridgid covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool