The 222261-C1 is a black, technopolymer (PA) knob with a black cap manufactured by Elesa & Ganter. It has a diameter of 45mm and a 10mm thread, and the cap has a height of 30mm. The knob is suitable for use in a range of applications, including machinery, mechanical and electrical engineering, laboratory equipment, and furniture. The knob has a smooth finish, making it easy to grasp, and it is designed to be robust and durable.