1. G drill has a slender neck, short edge, round and blunt tip.It  has a total of 1-6#, the edge diameter between 0.5-1.5 mm. Be installed on a low-speed handle machine,mainly used for opening the root canal orifice or preparing the upper and middle segments of the root canal            

2. High-quality stainless steel material, good rigidity, can rapidly expand the root canal crown, forming a straight channel between the pulp chamber and the root canal.            

3. The recommended speed is 800-1200 rpm.