Here's a tool that is both compact and helpful.
Store it in your shirt pocket, or on the side of the refrigerator.
A pen-type clip holds our level securely in your pocket, awaiting a least three jobs...checking for level surfaces, such as when you are hanging pictures, taking small measurements, or when a crucial lock washer has just disappeared down the kitchen sink drain.
The pocket level extends to 8.5''. One side measures inches, other side millimeters.
The tiny magnet, smaller than the eraser on a pencil, is powerful. It can easily lift an object that is much larger and heavier, such as a stainless dinner knife
5'' L. Colors may vary, depending on current stock.