Bevel Gear Milling CutterThis product will greatly shorten your time for convenience So take a look at this product and take it home Finger Joint Router Bit: the size is 1 4shank, 1 3 8(about 33mm) in tooth width. C3 Tungsten Carbide Cutters for blade , carbon steel is for handle It can make finger joints easily. Adjust the bit height to work on different board thicknesses. High hook & shear angles allow cutters to slice smoothly into stock ,reduce additional processing, the