Industrial Quality Signmaking, Lettering, V Groove Miter Fold are made by Amana Tool, the leading manufacturers of high-quality wood-cutting tools. Each V Groove router bit in this Amana Tool AMS-150 4-Pc 3D CNC Signmaking, Lettering & Engraving Insert SC 45, 60, 90 & 120 Deg x 1/2 SHK V-Groove Router Bit Set comes complete with solid carbide insert knives designed to route MDF, Solid Surface, Melamine and Wood to a perfect joint. Unique grinding angles to eliminate build up at the V point. Excellent for: Aluminum Bronze Copper & Carbon Fiber (Engraving Only), Foam, Laminate, Melamine, MDF/HDF, Sign Board, Solid Surface, Veneered Plywood, Wood, Xanita Board, 20lbs High Density Urethane. Set #AMS-150 Includes the Following Tools: RC-1045, RC-1108, RC-1102, RC-1104.