To ensure high accuracy and durability, the jaw tips are tempered. The scale etchings are clear, and easy to read.
Total quenching （ hardness HRC 48-52 ） SUS420J2 material stainless steel is a high-precision made from hardened stainless steel top quality products.
These useful tools are Matsui originals, which allow marking without a ruler. They may be used with items of various shape, including parallel, vertical, cylindrical, objects with rounded corners, etc.
Our products are chrome plated for a beautiful, hard, high-grade finish. Squares are spot welded to maintain an exact right angle to the long edge.