... tool system, can automatically replace 9 pcs tools, can extend to 18 pc tools(optional).L. Configuration sound insulation dust cover ... -3.175mm handle ,can add to max 36pcs tools ,automatically install card.11,drilling speed: up to 100pc /min ;12,Transmission ... and three axis controller with high precision step motor,Pneumatic tools chuck, fabrics hood.13,Flatness compensation: the flatness of ...