Patented design eliminates "brush bounce" Drag friction is less than .1% rated torque or .1 NM Overload Capacity of 125% FSD Accuracy is better than +/- 1% of FSD Zero Drift of less than .1% rated torque per degree Celsius Small compact design, which allows use in limited access areas Rugged aluminum alloy housing Drive Size - in: 1 SQ Length - in: 4 Max Torque - ft lbs: 1,025 Max Torque - Nm: 1,400 Thickness - in: 2-7/16 Weight - lbs: 4 Width - in: 3-5/8