Coleman Powermate 024-0178CT 74 pc. Cool Tool Air Tool Kit features 1/2" Impact, 3/8" Ratchet, Air Hammer, 1/4" Die Grinder 1/2" Impact wrench, 230 ft/lbs max torque, requires 4.5 CFM @ 90 PSI 3/8" Ratchet wrench, 55 ft/lbs. max torque, requires 4.0 CFM @ 90 PSI 150mm Hammer includes cold chisel, ripping chisel, punch & panel cutter, requires 4.5 CFM @ 90 PSI 1/4" Die grinder , 25000 RPM, requires 6.0 CFM @ 90 PSI