If our products have any problems, we can provide replacement / Return Service, welcome to contact us anytime!Description:1/2 Inch Bird's Mouth Router Bit Shank Woodworking Milling CutterSpecification:Shank Diameter: 1/2"Largest Diameter: 1-7/8"Overall Length: 2-7/8"Number of Flutes: 2Bit Construction: Carbide TippedMaximum Stock Thickness: 1-1/8"Features:This bit is designed to cut at the correct angle providing extra gluing surface and a strong mechanical joint. When glued together, the routed end hugs the mating piece preventing any slippage.Cut face up Compatible with six sided projects and face down Compatible with twelve sided projects.Edges can be cut either flush or protruded, then sanded down later to the desired finish. Two flute carbide cutters & 1/2" shank.Package Included:1 x 1/2" ShankTurns any cordless power screwdriver into a drill or grinder to quickly switch tasks and keep the job movingAll metal construction Compatible with durability and long life daily use. NOTE: The product can NOT be used counterclockwise !