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The Klutch™ Pneumatic Multi-Functional 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, Pad Diameter (in.): 2, Air Inlet Size (in. NPT): 1/4, Min. Hose Size (in.): 3/8, Tool Weight (lbs.): 1.68, Tool Length (in.): 8.3 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.