We are offering for sale a reconditioned ESI Laser Rail assembly used on some of ESI's laser processing systems. These laser were completely reconditioned by ESI and tested by their engineering group. They are offered with the test specs and are guaranteed to function, or your money back. We may be able to repair this laser if there is some kind of failure down the road, but these lasers are offered As-Is after the initial 10 day trial period.