High Quality Material: Each router template is made of ABS + high hardness processing glue, sturdy and durable. Size: Each template size is 80mm x 80mm x 17mm. Laser engraving R5 R10 R15 R20 R25 R30. R5 = radius 5mm = 0.1968, R10 = radius 10mm = 0.3937. 3/8", R15 = radius 15 mm = 0.5906. 9/16", R20 = 0.7874? 1.9cm, R25=0.9843? 1", R30 = 1.1811 ? 3.5 cm, R35 = radius 35 mm. R40 = radius 40 mm. 3.8 cm. Easy to use: can be used on various panels to cut radii perfect exteriors, it will help carpenters easily and skillfully to make beautiful rounded radians, such as picture frame edges, table and chair edges or corners, cutting corners or wooden panels, etc. One set full of professional tools, easy to use, save your time, and always try to handle the corners of your woodworking projects freely. Safety Design: Rounded corner router bit jigs, a Ergonomic fixed three-hole design, make it easier to stabilize the fixing, and effectively protect your hands from hurting trimming cutters. Easy to use: Professional, easy to use.Can be used on various panels to cut perfect outside radii, it will help carpenters easily and skillfully to make beautiful rounded radians, such as picture frame edges, table and chair edges, corners or wood panels, etc. What you get: 4pcs/8pcs woodworking router jigs, each radius jig router includes 8 kinds of corners R5 R10 R15 R20 R25 R30 R35 R40. Product Features: Each template size is 80mm x 80mm x 17mm. Radius Jig Router Jig Dimensions: Corner Routing Jigs R5 = 5mm radius. 3/16" R10 = radius 10 mm. 9.5 mm. R15 = radius 15 mm. 1.4 cm. R20 = radius 20 mm. 1.9 cm. R25 = 25 mm radius. 2.5 cm. R30 = 30 mm radius. 3.5 cm. R35 = radius 35 mm. 3.5 cm. R40 = radius 40 mm. 3.8 cm. Contents: 4 models of Jig Radius Router