Features： 1、4 Flute Design: The 4 tooth trimming knife is specially designed for trimming after edge banding. The 4 flute design provides smooth chip removal 2、Of Sharpness Cutting Edge: of sharpness cutting edge reduces cutting resistance and improves use efficiency 3、Seamless Operation: Come with smooth operation, closed bearing rollers are easy to align, seamless operation 4、Smooth Cutting: Tungsten steel teeth are stable and durable in use. bring smooth cutting, no burrs in one molding 5、For Various Machines: Suitable for trimming machine, electric wood milling machine, vertical router, automatic engraving machine Specification： Item Type: Corner Round Bit Material: Carbon steel + YG6 Purpose: Woodworking cutter Color: Silver + dark blue Tool Handle Diameter: Approx. 6mm / 0.2in Chamfer Size: R1, R2, R3 Applicable Range of Chamfering: R1 is suitable for thickness below 1mm, R2 is suitable for thickness of 1mm-2mm, R3 is suitable for thickness of 2-3mm Applicable Machines: Trimming machine, electric wood milling machine, vertical router, automatic engraving machine Package List： 3 x Corner Round Bit 3 x Storage Box