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 Lifetime warranty on slip ring & brush design including Cable not included. Contact AIMCO for applicable cable choices Specifications: Drive Size - in: 1/4 Hex Length - in: 4-9/16 Max Torque - in lbs: 180 Max Torque - Nm: 20 Thickness - in: 1-1/8 Weight - lbs: 1 Width - in: 2-3/16