["Aluminum Folding Fan Diamond Karat Gemstone Mounting Gauge Measuring Carat Millimeters Gemologist Bead Jewelry Tools\n\nFeature:\nGreat pocket gauge for measuring stones\nPortable folding fan-shaped gem size and diameter measuring tool, \nmade of aluminum material, light quality, easy to store.\nYou can choose from many styles: 6 arms fan-shaped, 8 arms fan-shaped, and 6pcs round shape .\nSuitable for measuring the diameter of diamond, gem and agate beads.\nWith professional size scale on the surface, it is a very practical tool for jewelers and jewelers.\nWith the help of this sizing gauge ,you will get a fast way to calculate the size and weight of a diamond.\n\nSpecification:\nMaterial : Aluminum\nColor：Silver\nSize Chart:\nA 6 arms fan gauge hole size : 1-6mm ,length 55mm\nB 8 arms fan gauge hole size : 1-10mm.length 55mm\nC round fan shape :\nsquare size hole size 2-4mm\nround hole size approx 1-10mm\nQuantity:1 Pc.\n\nNote:\nSize for manual measurement, there may be a 0 to 3mm error, belongs to the normal phenomenon.\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item.\nThank you!\n\nPackage includes:\n1 set diamond fan gauge"]