Craftsman 14pc. Mechanics Air Tool Kit 16854 1/2 in. Impact Wrench has 340 ft. lbs. of torque and 6.5 SCFM @ 90 PSI 3/8 in. Ratchet Wrench has 45 ft. lbs. of torque and 5.5 SCFM @ 90 PSI Dual Action Sander delivers 10,000 RPM and 4.0 SCFM @ 90 PSI Grease Gun has 40:1 output ratio and 1.0 SCFM @ 90 PSI 1/4 in. Right Angle Die Grinder delivers 20,000 RPM and 4.75 SCFM @ 90 PSI