【Material】The radius gauge is made of high quality stainless steel material, the radius gauge is durable and resistant to rust. High quality materials can bring you a good experience 【Two Types】This stainless steel radius gauge has two types of leaves so it can check both convex and concave surfaces which can bring great convenience for your work 【Applicable Objects】The radius gauge is a very useful gauge for tool, machinists, and many other worker to check the radius of tools. It can be widely used in our daily life 【Clear Marking】The each leaf of this fillet weld gauge is clearly marked, which is convenient to identify which leaf you need 【Advantage】There are radium gauges of different measuring range that you can choose, it is used to measure the radius of an object, Weight: 0.21384839414 pounds, Manufacturer: LiebeWH