ITEM NAME:2pcs Tongue Groove Router Bit Set Milling Cutter for Woodworking Cutting #gib Store Home Promotion Hot Item Add to Fav.Using for hand making a drawer or other woodworking. Suitable for woodworking. Solid hardened steel bodies with anti kickback design. Body: Solid Hardened Steel. Cutter: CNC ground to a 600 grit, mirror-like finish.