Item Type: Roundover Edging Router Bit Material: Tungsten carbide alloy Uses: For woodworking grooving or other woodworking Surface Coating: PTFE coating Shank Diameter: Approx. 8mm / 0.3in 1、Round Edging Router Bit: This router bit is suitable for trimming all kinds of wood, making it rounder and making your job easier. 2、Adjustable Depth: This router bit is equipped with an adjustment bearing to adjust the cutting depth of the blade according to actual needs. 3、Accurate Cutting: The blade can be locked in place and prevented from wobbling for a smooth and accurate cut with quick edging. 4、Incisive Blade: The roundover edging router bit has a very incisive blade that can quickly remove wood chips, saving time and effort. 5、Tungsten Carbide Alloy: This milling cutter is made of tungsten steel alloy material, and the surface is oxidized to make it not easy to crack or rust.