DEWIN Radius Fillet Gauge, Clear Marking and Rust Protection, Stainless Steel External Internal Concave Convex Measuring Tool for Die Makers Check(R1 6.5MM)

CLEAR-MARKED -Thread gauge measure tool's each leaf is clearly marked, convenient to identify which leaf you need. This thread gauge is precision manufactured, standard size, stable and reliable. CONVEX CONCAVE -This radius gauge has two types of leaves so the fillet gauge can check both convex and concave surfaces. Small and exquisite, easy to store and carry, offering you much convenience. STAINLESS STEEL -This thread gauge is made of stainless steel, the radius gauge is durable and resistant to rust. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. MULTIPLE CHOICE -There are radium gauges of different measuring range that you can choose, used to measure the radius of an object. Compact structure, exquisite and good workmanship. WIDE APPLICATION -Radius gauge set is very useful thread gauge for tool & die makers, machinists, and many other worker to check the radius of tools. High quality for durable and long-lasting use.