Introducing the Solid Carbide Router Bit by POWERTEC. This router bit possesses a slow, spiral down cut designed to produce sharp cutting edges and smooth finishes. It's intended for high RPM and produces much smoother cuts than standard straight router bits. This bit is made out of solid carbide, material well known for it's prolonged working life due to their hardness factor. These bits are best utilized with hard plastics, wood composites, natural woods and solid surfaces. In addition, the down-cut spiral design leaves a smooth surface when trimming the edge. For many professionals, down cut spirals offer the optimal stability for the thin workpiece. Specifications: Shank: 1/4" Cutting diameter: 1/4" Cutting length: 1" Overall length: 2-1/2" POWERTEC is a leading manufacturer of high quality woodworking tools and accessories, machines, and an assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the latest innovations, technology, and product development to the industry.