This part is a machine element manufactured by Elesa & Ganter. It is a metric plastic knob with M8 thread, a three-spoke design, and a diameter of 40 mm. The hub length is 32 mm, the head diameter is 50 mm, and the thread length is 40 mm. It is ideal for use in applications that require accurate manual adjustment and for controlling objects with a smooth and secure grip. The knob is suitable for use in a range of sectors, such as automobile, agriculture, pharmaceutical, scientific, and medical.