Vertical slide-down progress retracts, NT tool Stability is high, not Dan knife tool jeon, life long, Saw-cut with high precision. -design design, integral round find applicable insert heavy cutting, cutting precision . Cooling system (water soluble cutting oils), workpiece cut smooth and accurate, no edges, extend the life of saw blades, sawing for much longer time. Can be used for straight 90 ° cut, 90 °-45 °left bevel, 90 °-45 °right miter.