The drill to drill the stent
Must combo products is the main electric drill, first in the performance is less than the life of poor and bench, the bench a lot, the work pressure is usually higher than the drill to drill, drill drill from the structure that when life is even worse, its main advantages can be moved; drilling accuracy your skills, mainly to see when in actual use.
The drill life, performance and maneuverability are better than in what you say, shortcoming is not mobile use;
