●For dismantling and assembly of external and internal ●locking rings pliers for outer locking rings, self-locking. ●Opening: 7-42 mm ●-pliers for inner locking rings, self-locking ●Opening: 7-44 mm ●-Interchangeable tips for indoor and ●Outer locking rings in the following sizes: ●2.75 mm, one pair each in 0 °-15 °-45 °-90 ° angled ●3 mm, each pair in 0 °-15 °-45 °-90 ° angled