Cut decorative V-Grooves and lettering on signs with these "Zero-Point" V-Groove router bits. Use with an edge guide to chamfer and bevel edges. Can be used with handheld, table-mounted and CNC routers. Each router bit is manufactured from Amana's exclusive grade carbide according to stringent quality standards. Designed for cutting the following materials: Acrylic Composites Composite Decking Foam Laminate MDF/HDF Melamine Plywood PVC Plastic Sign Board Solid Surface Veneered Plywood Wood Xanita Board 20 lbs High Density Urethane