Features 1、100% brand new and high quality. 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 durable. 4、The surface 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% brand new and high quality 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 durable. 4. The surface 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% Brand New Package List: 1 * 90 Degree Angle Ruler Package List