PATCO Air Tools is a proud American manufacturer of high-quality, industrial air tools and components. For the past forty years our pneumatic tools have earned an industry wide reputation for rugged, dependable performance. Our power tool line includes pneumatic die grinders, angle grinders, extended grinders, routers, air marking pens, scalers and needle scalers. PATCO's powerful 1 h.p. air motor is the foundation on which we have built PATCO's line of industrial grinders.