Feature: 1. Small and portable marking tool is entitled with high performance according to strict rule. 2. Made of stainless steel material, center gauge is and easy to use in the practical life. 3. Gauge is suitable for metal machining, cylindrical centering, angle marking, marking discs, etc. 4. Marking tool is entitled with practical adoptability, which can keep its high performance for a long time 5. Wookworking ruler is built to strict quality control standards, and it is improved for more durability. Specification: Item Type: Center gauge Material: Stainless steel Arm Length: 150mm Scope of Application: Widely used in metal machining, cylindrical centering line, angle marking, marking disc, etc. Package List: 1 x Center Gauge