MARATHON FEATURES :- Compact and portable. Continuous variable speed control. Forward and reverse. Smooth, quiet operation. ADVANTAGES :- Light weight. Compact size. 4 stage speed control. Excellent torque with smooth operation. SPECIFICATIONS :- Max speed : 40,000rpm. Torque : 2.9 Ncm. CONTENTS :- Marathon M4(Lab) Micromotor- complete set :- Control Box. Micromotor with Handpiece. Foot control unit. Handpiece stand. Manual.