Bubble Level in Tray

About the product A bubble level is a small level that allows you to gauge how level a surface is. A matching tray houses the level so you can place it on flat surfaces with no rolling, and the vial itself also conveniently snaps in and out of metal frame hangers. Mini bubble level in tray for artwork, pictures, mirrors, tabletops, and other flat surfaces Includes removable tray  Can be used on multiple pictures Instructions Place the bubble level on top of a picture or any other flat surface. Adjust the object until the bubble inside the vial is centered between the two black lines. If adjusting a metal frame, take the level out of the tray and snap it directly into the metal frame channel. Adjust the frame as in step 2.