Chicago Pneumatic CP870 Dual Action Sander Metal Imported Free speed: 10000 rpm Time proven design Weight: 4 lbs. - 1.8kg Average air consumption: 8 cfm Air inlet NPTF: 1/4-Inch Free speed: 10000 rpm Time proven design Weight: 4 lbs. - 1.8kg Avg. air consumption:5 CFM Air inlet NPTF: 1/4-Inch