Trend S47/70X1/4STC Economy trim cutter60/90 Degree Economy V GrooveSolid Tungsten Carbide economy cutter. For use on short runs at 90 degree or 60 degree with Ref. S47/70, at 90 degree or 83 deg. with Ref. S47/71 and at 90 degree or 45 degree with Ref. S47/72. Will trim and bevel by changing cutter height. Requires a side fence or a copy follower guide on the router.Specification-D=1/4 inchD=6.3 mmC=6 mmC2=6 mmOL=32 mmA=60 deg.A2=90 deg.Shank Diameter=1/4 inch