1500NM / 1100FT/LBS TORQUE MULTIPLIER 1:10 RATIO For dismantling stubborn bolts & nuts. For use with torque wrench and impact sockets. Max Torque: 1500Nm / 1100ft/lbs Input Drive: 1/2in Output Drive: 3/4in Ratio: 1:10 Approx width of silver cylinder across the top 62mm approx width of arm across ring 75mm Approx overall length of Arm 190mm Approx overall length of Unit 175mm