Specification Brand : YOUTHINK BulletPoint1 : 【great】This radius gauge can be used to measure the radius of objects. Made of stainless steel, it is not easy to . It has long lifespan and durability. It also has high hardness and wear resistance. BulletPoint2 : [Convex and concave] This radius gauge has two types of leaves, allowing you to check both convex and concave appearances. BulletPoint3 : [Convenient to use] Each leaf is clearly marked, convenient to identify the leaf you need. BulletPoint4 : [Specification Range] This radius gauge measurement tool is a very useful gauge for tool and makers, machinists, and many other workers to check the radius of tools. BulletPoint5 : [Specification Range] This radius gauge measurement tool is a very useful gauge for tool and makers, machinists, and many other workers to check the radius of tools. ItemName : Radius Gauge Radius Measurement Gauge Radius Gauge Pocket Measuring Tool Radius Gauge Radius Gauge R Gauge Circle Radius Measurement Round Stainless Steel Diameter Fillet Gauge ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : radius-gauges Manufacturer : YOUTHINK ModelNumber : YOUTHINK83bhsgmy0r-03 PartNumber : YOUTHINK83bhsgmy0r-03 ProductDescription : Features: Made of stainless steel, Sturdy and not easy to . This radius gauge has two types of leaves, allowing you to see both convex and concave appearances. Each leaf is clearly marked to help you identify the leaf you need. There are radium gauges with different measurement ranges that can be used to measure the radius of objects. This is a very useful gauge for checking the radius of tools used by tool and makers, machine tools, etc. Specifications: Measuring range: R0.3-1.5MM, R1-6.5MM, R7-14.5MM, R15-25MM, R25-50MM, R52-100MM (optional) Material: Stainless steel > Weight: 43g ~ 105g / 1.5oz ~ 3.7oz (approx.) Package list: