The support tubes and clamps are made of galvanized steel, making them rust-resistant and robust. The clamp is equipped with a rubber grip at the end of the handle, making it easier to move. Turn the handle clockwise or counterclockwise to open or close the clamp. The support is added for extra stability. Delivery includes two sturdy support tubes and two clamps, which are suitable for a nose wheel with a tube diameter of 48 mm.