Features • High Precision Measurement: Engineered for exact right angle measurement, ensuring accurate vertical deviation assessments for both inner and outer corners of any workpiece • Durable Carbon Steel Construction: Crafted from 45 medium carbon steel, this ruler undergoes quenching and heat treatment for enhanced strength and long-lasting performance • Enhanced Surface Finish: Features grinding, polishing, or galvanizing for a smooth finish, delivering reliable and precise measurements every time • Versatile Tool for Professionals: Ideal for workshop use, this ruler is perfect for engineers and craftsmen, facilitating assembly tasks and self-testing processes • Compact and Convenient Design: Lightweight and portable, this angle ruler fits easily into toolboxes, making it the go-to choice for on-site measurements and projects Features: 1、100% and . 2、Used for right angle measurement, it can measure the vertical deviation of the inner and outer corners of the workpiece, and can also be used for assembly and platform work. 3、Generally made of 45 medium carbon steel, the body is of quenching and heat treatment which make it more . 4、The is of grinding, polished or galvanized, it can provide accurate measurement. 5、Especially suitable for workshop workers to produce self-tests in peacetime Specification: Features: 1. 100% and 2. Used for right angle measurement, it can measure the vertical deviation of the inner and outer corners of the workpiece, and can also be used for assembly and platform work. 3. Generally made of 45 medium carbon steel, the body is of quenching and heat treatment which make it more . 4. The is of grinding, polished or galvanized, it can provide accurate measurement. 5. Especially suitable for workshop workers to produce self-tests in peacetime Specification: Condition: 100% Optional Style: #1 Level 2 50*40, #2 Level 2 75*50, #3 Level 2 100*70 Package List: 1 * 90 Degree Angle Ruler Package List