Application: Professional router and edger with excellent concentricity for fast, smooth and precise cutting of laminate and template work, precise cutting of wood edges. Features: Straight slot router bit, using double-edged cutter and replaceable ball bearings, runs smoothly and has excellent concentricity, suitable for edge finishing. Premium Materials: Tungsten steel body with heat-resistant coating for durability and precise cutting for lamination and template work. Wide Range of Applications: The profile router can cut all component materials, particle board, plywood, hardwood and softwood, MDF and other solid panels, and is suitable for all kinds of woodworking cutting machines. Package Contents: The router bit set contains 4 pieces 8mm shank copy router bits (8 × 1/4'' × 25.8 × 5/16'' × 25.8 × 3/8'' × 25.8 × 1/2'' × 25) . Professional woodworking router bit. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be