"This Chicago Pneumatic Straight Line Sander is great for fast material removal, body sanding and leveling side panel work on cars and trucks. Air Inlet Size in. NPT 1/4, Speed RPM 3,000 SPM, Tool Weight lbs. 7, CFM at Load 10.7, Case Included No, Air Consumption CFM 8.5. 3000 free SPM Rugged twin piston design Power to prevent stalling during heavy material removal Pinch guard for safe operation Comfortable trigger and handle"