Material: The tool is made of OKE alloy, industrial grade milling cutter; Teflon coating for heat and heat resistance, CNC anti-kickback balance design. Router Bit Dimensions: Bearing Diameter: 6mm Shank, Radius: 3.17mm, 3.96mm, 4.76mm, 6.35mm Features--- Chamfering bits are primarily used for edging, these bits can also be used to create miter joints at various angles. Ideal for combination plunge cutting and pattern/stencil routing. It can be used without bearings as a standard straight drill Application: Suitable for wooden door frame, wooden window frame, cabinet frame. High wear resistance, high precision grinding technology, smoother chip removal Package Contents: 4 x 6mm Round Shank Bits 4 x 6mm Shank Circular Cutter Set Specifications: Name: Corner Rounding Cutter Body Material: Solid Hardened Steel. Blade: Industrial Grade Micro Grain Carbide. Shank Diameter: 6mm. Radii: 3.17mm. 3.96mm. 4.76mm. 6.35mm. The tool dimensions are: 3.17mm R --- Cutting Depth: 7mm --- Overall Width: 15.9mm --- Overall Length: 51mm. 3.96mm R --- Cutting Depth: 8.5mm --- Overall Width: 20.64mm --- Overall Length: 55mm. 4.76 mm R --- Cutting Depth: 10.5 mm --- Full Width: 22.2 mm --- Full Length: 57 mm. 6.35 mm R --- Cutting Depth: 11.11 mm --- Full Width: 25.4 mm --- Full Length: 58 mm. Features: 1. Ideal for combination plunge cutting and pattern/pattern routing. 2. Allow the attachment to position itself above the workpiece. 3. In the router table, the jig will be placed below the workpiece. 4. Can be used without bearings like standard straight drills. 5. For a better view of the workpiece, use a flat cutter in the portable router. Contents: 4 x 6 mm round router bits.