Ingersoll Rand® air cut-off tool, type 41 wheel heavy duty, bare tool, 2-7/8 in wheel dia, 1/8 in maximum wheel thickness, 20000 rpm speed, 10 cfm average, 25 cfm at load air flow, 1/4 in NPTF air inlet, 94.3 dBA pressure level/107.3 dBA power level sound level, 8.88 in L x 4.3 in H dimensions. Ingersoll Rand® 326 Type 41 Wheel Heavy Duty Air Cut-Off Tool, 2-7/8 in dia Wheel, 20000 rpm Speed, 10 cfm Average, 25 cfm at Load