Boston Gear offers the industry's most diversified line of clutches, with mechanical, electrical, and pneumatic clutches to suit most any application. Since 1998, when Boston Gear acquired Centric Clutch, we have been manufacturing the Trig-O-Matic and Trig-O-Matic Lite overload release clutches at our Charlotte, North Carolina plant. Our complete selection of torque overload devices, along with our Model H clutch and our entire line of centrifugal clutches, comes with Boston Gear's 120 years of mechanical power transmission expertise - so ask for Centric™ clutches by name. Because we apply the same quality standards to all of our products, you'll find our electrical and clutches offer exceptional performance, as well. For a complete list of other types of clutches, visit our sister companies. * Warner Electric: electro magnetic * Marland Clutch: backstops and overrunning * Formsprag: overrunning and hold backs * Wichita Clutch: pneumatic and hydraulic * Industrial Clutch: pneumatic and hydraulic