Produced with Aluminum structures and designed for maximum practicality during work. With a ruler incorporated in the structure and the possibility of use at 180⁰, 90⁰ and 45⁰ angles. GMA protectors absorb the impact created during the fall and eliminate damage to the body of the level. The material of Aluminum, avoids degradation and rusting as a result of atmospheric agents. Ideal for professionals in the fields of construction and furniture repair.