Product DescriptionIt's extra strong "sight unseen" magnets will hold it firmly to any steel surface. 2 stationary vials are placed at 90° angles of each other & can be read from either side. Vials are easily replaced if broken. The dial is in 2 1/2° increments with spring tension for easy operation.
Roof Pitch to Degree Conversion Scale is located in the level. Only 9" long and 1 1/2" wide for easy handling and storage.