5-Pc Signmaking, Lettering & Engraving Starter CNC Router Bit Collection For the most demanding signmaking lettering and engraving tasks. Designed for creating signs and other CNC projects in a variety of materials. Each router bit is manufactured from Amana's exclusive grade carbide according to stringent quality standards. Designed for cutting: ACM Aluminum Brass Bronze Copper Composite Fiberglass Foam Laminate MDF Plastic/Acrylic Wood Veneered Plywood Stored in a solid wood showcase storage box with a Plexiglaså¨ clear lid.See below for set contents. Wood Storage Box Dimensions 12" L x 6" W x 3" H