• Used for quick and easy removal or installation of piston rings • Provide safe operation without the risk of breaking or damaging piston rings • Easily enables locking of piston rings in the desired position • BE74-57125L Includes an anti wind-up ratchet • BE74-57125 diameter capacity: Ø 57 - 125 mm. Length: 80 mm • BE74-90175 diameter capacity: Ø 90 - 175 mm. Length: 165 mm • BE74-57125L diameter capacity: Ø 57 - 125 mm. Length: 80 mm