1、VERSATILE DESIGN: With four different angle and radius options(R30/R35/R40/R45), this rounded R corner arc template is suitable for a variety of different woodworking DIY projects to meet your various needs 2、EXCELLENT MATERIALS: Corner radius template is made of durable aluminum alloy material, reusable, not easy to wear or deform, ensuring a long service life 3、HIGH ACCURACY: The template is marked with a clear scale to help you accurately measure and draw the rounded R corner arc, ensuring the accuracy and consistency of the project 4、EASY TO OPERATE: The simple design and construction make this template easy to use, and even novice carpenters can easily complete DIY projects, improving work efficiency and quality 5、PORTABLE AND CONVENIENT: The rounded r angle arc template is small and lightweight, convenient to carry, safe and easy to use, and will not hurt your hands during use