... 4.Accuracy:±5%,repeatability: ± 1%.5. Optional digital air register, torque precision:3%, repeatablity: ±1% .6. Compact planet design, small ... type high performance air motor,high efficiency, no impact torque can be continually output.10. Design of reverse pressure ... reversing mode, statisfying the request of higher torque when loosening bolts.11. Positive/reversing mode button by single hand, switch ...