... (Bar) 4.Avg.air consumption: 5scfm Specifications: AIR IMPACT WRENCH UN240018 AIR TOOLS ModelUN240018Grinding wheel5"Free speed11000rpmAvg.air consumption5scfmWorking pressure 90psi ... /20KGSCarton Capacity10pcsCarton Size52*27.5*38.5CM AIR ANGLE GRINDER UN240018