15mm diameter and 8mm thickness small tiny spirit bubble level. PMMA and ABS plastic housing, surface degree marked circular bubble level, high accuracy, and easy to read. This circular bubble level can be mounted on many equipment for very convenient leveling. Suitable for adjusting cameras, tripods mounts, stereo turntables, record player, speakers, photograph, telescope, set-top boxes, hanging picture, carpentry measuring, factory machinery, etc Easy to carry and store, fits well in a tool bag, or in your purse as a pocket measuring instruments tools.