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.At Kapro, we reimagine precision tools and accessories for professional craftsmen to weekend warriors while setting high standards by driving innovation in our designs. Material: Plastic.