Features • Precision Measurement Tool: Achieve accurate right angle measurements with our 90 Degree Angle Ruler, perfect for assessing vertical deviations in any project • Durable Carbon Steel Construction: Crafted from high-quality 45 medium carbon steel, this ruler undergoes quenching and heat treatment for enhanced strength and longevity • Versatile Applications: Ideal for both assembly and platform work, this right angle engineer tool is designed to meet the needs of workshop professionals and DIY enthusiasts alike • Superior Finish for Accuracy: The polished surface ensures smooth operation and reliable readings, making it an essential tool for precise measurements in any setting • Convenient Self-Test Feature: Especially suited for workshop use, this angle ruler allows users to produce self-tests efficiently, promoting high standards in craftsmanship 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