1. The driller covers a large scope, and all the bits can be joined fast, so it is quick and convenient;
2. The drilling depth and distance are controled photoelectric switch(optional)and linear guide, so it can find out the location quickly and accrately;
3. Using imported brand-name original platoon driller, electrical machine and linear guide, so it is durable;
4. Selection of high quality steel parts, it is never deformed by high-strenth heat treatment;
5. Equipped with digital calculator to measure sizes which enhances the work efficiency