Easy to handle the machine allows to drill precision holes in the lowe part of the model. Changing and adjusting the bit is an easy and intuitive operation. The machine works silently and without vibration. The laser in the upper part of the machine allows to locate exactly the place to drill. Its size, simplicity and ergonomics make it hte ideal device for the technique of individualizing pins. 1.85 mm and 1.95 mm spare bits available. The machine is factory supplied with a 1.85 mm bit.