A2BB is a precision milling machine steady, compact and easy to use, with all the main items to do milling, attachments assembly and surveying. Equipped with tri-dimensional movable arm with vertical stop and guide to realize holes, channels, chamfers and interlocks. Furnished with electrical micro motor (with complete porta-chuck nuts ø 2,35 3 1,6 mm), digital electronic feeder with adjustable speed, pneumatic-electrical pedal, lockable model holder, spotlight and incorporated mandrel for attachments assembly and surveying.