Includes one winding plug and one stationary plug. The winding plug has two 3/8" set screws for fixing to the shaft. Stationary plug has a 50.8 mm hole for bearing placement. Max. Torque: 89Nm. Suitable for 1 inch (25.4mm) shaft. Max torque bolts 20Nm. Material: Aluminium. Thread: Universal, max. 7,5 mm