The stainless steel caliper gauge is an essential tool for measuring inside diameters and thicknesses with precision. Its robust construction ensures durability, while its high accuracy makes it suitable for detailed work on small objects. for jewelers and those working with gemstones, this tool enhances the accuracy and quality of your work. Features -Color:Silver -Material:Stainless Steel -Size:10.40X6.00X1.00cm/4.09X2.36X0.39in -Sturdy construction: made from stainless steel, this caliper is designed for durability and reliable performance -Accurate internal measurements: offers high precision internal measurements, ensuring accurate and consistent results for detailed work -Triangular : the triangular thickness allows for easy and precise measurement of internal diameters and thicknesses -Comprehensive tool: combines internal diameter measurement, thickness measurement, and triangular thickness functions, making it a versatile tool for various tasks -Easy to use: designed for ease of use, this caliper is for both professionals and hobbyists, providing reliable measurements in different scenarios Package list: 2 x Thickness gauge