CNC Router Bit Collections are made by Amana Tool, the leading manufacturers of cutting tools. Amana Tool AMS-174 8-Pc General Purpose CNC Router Bit Collection, 1/4 Inch Shank is designed specifically for a wide variety of applications. Also perfect for signmaking. Each router bit is manufactured from Amana Tools exclusive grade carbide according to stringent quality standards. Excellent for: Aluminum, Brass, Bronze, Copper & Titanium, Aluminum Composite Material (ACM), Composite, Fiberglass, Fiberglass PCB Board, Graphite, MDF/HDF, Phenolic Composites, Plastic, PVC & Acrylic, Plexiglas, Sign Foam, Sign Board & HDU, Wood, Durabond. Set #AMS-174 Includes the Following Tools: 45707, 45701, 46201-K, 46202-K, 46200-K, 46282-K, 45771-K, 46376-K.