Designed for fine furniture construction, these bits mill a delicate 3/16-Inch thumbnail profile in stock from 5/8 to 13/16-Inch thick. Not for use on hand-held routers. Bits are equipped with 2 Hi-Density carbide-tipped cutting edges for long-lasting cutting performance, feature anti-kickback design to control the depth of cut and PTFE-coating to prevent pitch and resin build-ups. CMT orange bits have been rated the #1 overall router bits compared to other brands (Wood Magazine).