1.Cutting, three-dimensional slack angle, slits,Sharp cutting, smooth rotation, quick operation 2.High hardness, good wear resistance, significantly improve the service life. 3.This trimming cutter Suitable for both hand tool and CNC planing machine. Shank Trimming milling Cutter size details : Each size: Shank Length: 1/4 inch(6.35mm) Blade Depth: 11.9mm Blade Width:1/2 inch(12.7mm) Shank Length: 1/4 inch (6.35mm) Blade Depth: 20mm Blade Width:1/2 inch(12.7mm) Shank Length: 1/4 inch(6.35mm) Blade Depth: 25mm Blade Width:1/2 inch(12.7mm) Colour:Blue+yellow Material:Cemented carbide Package Contents: 3 * Flush Trim Router Bits Pay attention:The trepanation, please wear good protective measures, in case of splash eyes of wood chips Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.