Features 1. The Simplest Measurement Method: This angle ruler is a measuring and layout tool that saves time, money, and energy. It provides an easy way to measure irregular shapes. 2. Easy to Use: The plastic protractor features a unique tightening design and can be operated with one hand. It is suitable for measuring various angles and shapes. 3. Accuracy: This professional angle protractor is designed for precise angle measurement, helping improve accuracy in crafting and measuring tasks. 4. Adjustable Design: The angle ruler has a four-sided ruler mechanism that slides and locks at any desired angle. As a reusable template, it adds convenience to manual projects. 5. Wide Applicability: This angle ruler is suitable for various applications such as carpentry, angle measurement, and DIY projects, offering practical utility. Specification Item Type: Corner Angle Finder Material: Plastic Weight: Approx. 70g / 2.5oz Total Length After Straightening: 450mm / 17.7in Package List 1 x Corner Angle Finder