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 woodworking DIY projects to meet various needs. EXCELLENT MATERIALS: The corner radius template is made of durable aluminum alloy, reusable and resistant to wear and deformation, ensuring a long service life. HIGH ACCURACY: The template features clear scale markings to help accurately measure and draw rounded R corner arcs, ensuring precision and consistency in projects. EASY TO OPERATE: The simple design makes this template easy to use, allowing even beginners to complete DIY projects efficiently and with improved quality. PORTABLE AND CONVENIENT: The rounded R angle arc template is compact and lightweight, easy to carry, safe to handle, and designed for comfortable use without causing hand injury.