The Klutch Pneumatic Multifunctional Tool is everything you need for sawing, sanding, scraping, separating, polishing, cutting and consolidating concrete - all with professional results. Smaller and lighter than comparable systems, with a leak-proof air system and mist-free exhaust. Recoil-free operation is essential for sanding in corners and on edges. Do even more with optional accessory kits # 3753651 and 3753652. CFM at Load 16, Air Inlet Size in. NPT 1/4, Min. Hose Size in. 3/8, Tool Weight lbs. 1.68, Tool Length in. 8.3, Pad Diameter in. 2. 90dB noise level Vibration-free operation 20,000 OPM for delicate and fine work 8 CFM @ 90 PSI when used for scraping or cutting 16 CFM @ 90 PSI when used for sanding 90 PSI operating pressure 1/4in. NPT inlet 3/8in. hose dia.