The Extreme Series Air Straight Die Grinder is packed with a 1 HP motor with 22000 RPM, perfect for mastering heavy duty applications and getting the job done efficiently. 20 in. extra long neck provides extended reach for those hard-to-reach areas. Built-in air regulator dial adds true versatility to this powerful grinder, letting you easily and accurately fine tune the tool while you work. Super quiet operation with our specially tuned mufflers at only 84 dBA. Ultra-low vibration at only 0.45 m/s2 reduces fatigue over long periods of use. Comfortable to hold ergonomic contour cushioned grip. Smooth trigger mechanism enhances control. Rear exhaust with 360-degree swivel lets you vent the exhaust in any direction you like. Low air consumption at only 4.2 CFM at 90 PSI. Weighs only 3.9 lbs. Comes with 1/4 in. NPT air inlet. The Capri Tools Extreme Series 1/4 in. 1 HP Air Straight Die Grinder gives you the power to master heavy duty applications and to get the job done efficiently. 20 in. extra long neck provides extended reach for those hard-to-reach areas. Power 1 HP motor easily handles even the toughest jobs. Built-in air regulator adds true versatility, letting you fine tune the tool easily and accurately while you work. With our specially tuned mufflers, the grinder operates super quietly at only 84 dBA. Ultra-low vibration at only 0.45 m/s2 reduces fatigue over long periods of use. The ergonomic contour cushioned grip is comfortable to hold. The smooth trigger mechanism enhances control. Rear exhaust with 360-degree swivel lets you vent the exhaust in any direction you like. It requires low air consumption only 4.2 CFM at 90 PSI and weighs only 3.9 lbs. Comes with 1/4 in. NPT air inlet.