Ingersoll Rand 285B Series Impact Wrench 1 Drive PMAX 120psig/8.3 Bar 285B-6

  

Drive Type Square, Hog-Ring and Thru-Hole, 6 in. Impacting Sound Level dB(A) -- ISO15744 (pressure/power) 98.8 / 109.8. Free Speed Sound Level dB(A) -- CAGI/ANSI S12.41 (pressure/power) 103.4 / 114.4. Vibration Level m/s² (K) 9 (2.7).