General purpose, light to medium duty. An economical, maintenance free coupling, maintenance free coupling with dimensions, used in a variety of applications. Typical Applications Used for encoderresolver applications, low torque pump, lead screw and various other applications. Misalignment Compensation 5 angular, .25mm parallel offset, 25mm axial motion FeaturesMetric dimensions and fastenersMetric andor inch bores availableAvailable in 7075-T6 aluminum alloyGeneral purpose If you are working in the metric world, the W Series is for you. It combines the best features of the A Series and the H Series, with the convenience of metric dimensions and fasteners for your metric based designs. The W-Series can be used in a wide range of applications from driving components with light torque requirements, such as encoders and tachometers (aluminum), to lead screws and pumps requiring greater torque (stainless steel).