... (Bar) 4.Avg.air consumption: 4scfm Specifications: AIR RATCHET WRENCH UN240015 AIR TOOLS ModelUN240015Drilling capacity1/2"Free speed160rpmAvg.air consumption4scfmWorking pressure90psi ... .W.13/12KGSCarton Capacity10pcsCarton Size30*30*12CM AIR RATCHET WRENCH UN240015