Sturdy Construction: This Arc Angle Positioning Template is crafted from quality aluminum alloy, ensuring great wear resistance and durability. Its solid structure provides stable support when clamping corner plates, making it a reliable tool for your woodworking projects User-Friendly Design: Designed with ease of use in mind, this aluminum alloy corner radius template simplifies the woodworking process. Simply select the desired template size and place it on the corner of the wood you plan to cut, streamlining your DIY tasks Reusable and Versatile: Each precision-measured reusable positioning template includes four different arc corners, offering versatility for various corner cutting applications. Its compact and lightweight design makes it easy to carry and convenient to use Compact Size: With a length of 8.5cm(14cm optional), this tool is perfectly sized for handling and storage without taking up much space in your workshop or toolbox Package Includes: The package contains 1 piece of this Round Corner Radius Template, ready to assist you in achieving smooth rounded corners with ease and precision Specification: Material:aluminum alloy Size Chart: Length: 8.5cm/3.35inch (R10 R15 R20 R25) or 14cm/5.51inch(R30 R35 R40 R50) (optional) Package Includes: 1Arc Angle Positioning Template Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.