Be confident in your purchase, we're a Certified ASG dealer. How cool is that! Features: Low vibration levels MM, MN, MO air motor models are equipped with a silencing system that reduces the noise levels Highly effective due to compact size, high power output and low air consumption Designed using materials and processes that minimize the effects on the environment Drive shaft diameter: all drive shafts include a UNI 6604 Form A key slot 13 mm for MM Specs: SKU: MM32 MODEL NUMBER: MM32 OUTPUT SHAFT TYPE: Smooth Output Shaft TORQUE AT MAX. POWER - IMPERIAL: 144.26 lbf.in TORQUE AT MAX. POWER - METRIC: 16.3 N.m STATIC TORQUE - IMPERIAL: 288.51 lbf.in STATIC TORQUE - METRIC: 32.6 N.m SPEED AT MAX. POWER: 150 RPM NO LOAD SPEED: 300 RPM AIR CONSUMPTION AT MAX. POWER: 14.8 CFM POWER: 260 W | 0.35 HP REVERSIBILITY: Non-Reversible WEIGHT - IMPERIAL: 2.64 lb. WEIGHT - METRIC: 1.2 kg WARRANTY: 2 years The Fiam MM32 16.3NM/300RPM Smooth Air Motor Output Shaft's innovative design insures reliable motor starting even at low air pressure. Does not overheat in difficult, heavy duty conditions, repetitive start/stops or repetitive reversing.