PT International manufactures mounted bearings and blocks, self-aligning bearings, spherical bearings, pillow block bearings, and has over 700 different housings. They also supply metric power transmission products including gears, sheaves, chain and sprockets. Winkle Linear Systems manufactures combination bearings and linear motion systems. Shelmet Precision Castings is a manufacturer of precision investment castings in all alloys and is capable of short run production. RGW Sales Canada represents various manufacturers of bearings, hydraulic cylinders, brakes, investment castings, lubrication products, metal hose, precision spindles and components, seals, shafts and conveyor rollers, and slip rings.