... , made in Taiwan guarantees good quality. 1. Tooth Making Coping Machine JC-450C is in line with ... angle of cutting teeth, the back clearance angle, tooth depth, etc.5. This machine has a control ... teeth, and thus come to type C height tooth difference.6. The machine head can tune up ... shown on the indicator, for perfect sawblade sharpening. 9. Tooth chamfering is easily performed, without need to replace ...