2.Reduce the time of swinging the knife (measuring the beat);
3.Grind the inner hole many times to achieve the mirror effect;
4.COLLET The lug design in front of the cone can prevent dust and cuts from entering
during work and prolong the service life.
5.The outer circle and end face are ground for many times, with more stable precision.
The surface is smoother, the feel is more comfortable, the appearance is more beautiful;
6.COLLET 8。Single cone surface design, more clamping force, improve seismic performance.