Johnson Level 24" Structo-Cast Box Level. New, Johnson's 24" precision-molded Structo-Cast level is tough and non-conductive and will not scratch or mar painted or wood surfaces. It features replaceable vial covers and vials for in the field service. The non-conductive, non-corrosive frame even floats in water. - Non-conductive frame
- Will not mar or scratch painted or wood surfaces
- Durable acrylic vials are impact-resistant
- Replaceable vial covers