Set of 3 Aluminium Alloy Corner Radius Routing Templates for Woodworking Routing Radius Jig Router Templates 6 Sizes for Outside Radius: You will receive 3 radius jig router templates, each for 2 radius sizes, so there are 6 radius sizes available in total: R5 R10 R15 R20 R25 R30, to meet different plank corner trimming needs for perfect outside radius. Easy to Use: The templates are designed with self-aligning guides to quickly and accurately align the workpiece edge. No tape or clips are needed, just place the template to be copied in the corner of the workpiece and lightly press it with your hands to get accurate results. Professional Woodworking Tools: The templates measure 3.15in*3.15in, which is a universal size for most planks. They are professional woodworking tools to help you trim out perfect plank corners, greatly improving your work efficiency. Convenient Radius Marks Precise Trimming: Obvious radius marks are etched on the templates to help you find what you want quickly. With these radius jig router templates, you can trim the corners of the plank stably and accurately for perfect outside radius.