Specification Brand : YDuupxe BulletPoint1 : Wide Application : A very useful gauge for tool & die makers, machinists, and other workers to check the radius of tools BulletPoint2 : Various Shapes and Sizes : Includes four radium gauges in different shapes and sizes to meet various needs BulletPoint3 : Sturdy Stainless Steel Material : Made of stainless steel, this radius gauge is sturdy and resistant BulletPoint4 : Convex and Concave Surface Check : This radius gauge has two types of leaves to check both convex and concave surfaces with ease BulletPoint5 : Clearly Marked Leaves : Each leaf is clearly marked for convenient identification Color : 7 to 14.5 ExternallyAssignedProductIdentifier : 7639710796229 ItemName : 4Pcs Stainless Steel Radius Fillet Gauge Radius Gauge Convex Measuring Tool R0.3-1.5/ R1-6.5/ R7-14.5/ R15-25 ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : radius-gauges Manufacturer : YDuupxe ModelNumber : YDuupxe3huebg5no0 PartNumber : YDuupxe3huebg5no0 ProductDescription : Spec: Features: Made of stainless steel, this radius gauge is sturdy and resistant. This radius gauge has two types of leaves so it can check both convex and concave surfaces. Each leaf is clearly marked, convenient to identify which leaf you need. There are four radium gauges in different shapes and sizes to meet you various need. Very useful gauge for tool & die makers, machinists, and many other worker to check the radius of tools.