The maximum diameter of the MU is 4 mm, it has an angulation of 20º and 28º. It is available in different gingival heights (1.5 mm, 2.9 mm, 2.5 mm, 3.9 mm, 3.5 mm, 4.9 mm, 4.5 mm and 5.9 mm) and is compatible with the Multi-Unit straight components.