The holes in this gauge are used to measure stones, while the round extensions are used to measure mountings.One side shows millimeters and the other shows corresponding carat measurement.Allows you to measure in carat & millimeters... Powered by
No more trying to figure out what size bead will work with your project.3-3/4 x 1-5/16 inch Plastic sliding gauge measures millimeters and inches accurately.A must for any jewelry making.Measures items up to 3.25"... Powered by
