1Consistent Side Length: The kit includes 4 router jig templates, each with two different radii. They cover the range from 5 mm radius to 40 mm radius. The side length is consistent, easy to store. 28 Angles: Using wear resistant ABS and high hardness processing, strong and durable, this rounded corner jig template kit adopts 8 radius angles, R5 R10 R15 R20 R25 R30 R35 R40. 3Simple Operating: Practical professional woodworking tools can make the work smooth and efficient. To use it, simply use the corner of the jig template you want to copy and place it on the desired wooden corner. 4No Hand Cutting: Designed with hand holes to prevent hurting hand. This rounded jig router template kit allows you to trim the edges and corners of the board. Use these to cut the outer radius. 5Time Saving: Easy to use, radius router jig templates allowing you to save time and also try to handle corners freely in your woodworking projects.