Acrylic material, fluorescent yellow-green, centered on black lines, precise and clear on all sides, easy to read and easy to use. Dimensions: Diameter: 10mm x Height: 6mm. The mini circular spirit level can be easily used for many small objects and small devices. Tip: No adhesive on the back. Double-sided tape can be attached to many objects. This round mini level is suitable for adjusting cameras, tripod mounts, stereo turntables, record players, speakers, speakers, telescopes, sights, RVs, campers, travel trailers, pictures, furniture placement and other equipment., Manufacturer: Jnchdghwa