Check the listing for details. Kapro 341 Mini Magnetic Post Pipe Sign Level Compact Lightweight Rugged Durable. Condition: New. Listed at 7.95 USD. The Kapro 341 Mini Post Level is lightweight and features 3 mounting options and precast holes for quick and easy installation. Kapro 341 is made of rugged polymeric casting, it is equipped with strong magnets and a unique heavy-duty dedicated rubber strap.This level has 3 brightly colored cylindrical vials, including 2 horizontal and 1 vertical, to provide clear and accurate readings. Kapro 341 magnetic post level is used for leveling and plumbing posts, posts, flagpoles, pipes, railings and decks using one tool and keeping your hands free to do the job.MAGNETIC ➤ 4 Magnets on backsideQUICK ➤ Pre-cast holes for easy mounting with nailsADJUSTABLE ➤ Elastic strap for non-metallic surfacesVISIBLE ➤ Brightly colored cylindrical vials reach 0.001”/” accuracyCOMPATIBLE ➤ For use with most standard posts, pipes, and signs