Kapro Postrite folding magnetic post level. Has three cylindrical bubbles - two horizontal and one vertical, you will be able to level the post perfectly on all sides. This level folds and unfolds like a book. When folded, it is compact - easy to put in your pocket or tool bag, and when unfolded - it is flat and easy to work with. For easy attachment to metal surfaces it is equipped with four powerful magnets, and if the surface is not metal there is an adjustable elastic strap. The level can be fixed every 15 degrees. It will become an indispensable assistant when installing signs, in plumbing work, in the construction of fences, wherever you need to level something vertical.