These carbide-tipped router bits are often called "canoe" bits, as they are used to make flute and bead edges on 1/4" thick wood strips to form curved surfaces.
Our professional/industrial grade bits have tungsten carbide inserts ground on CNC (Computer Numeric Control) machines using 600x diamond wheels. Tungsten carbide maintains its hardness at high temperatures and holds an edge far longer than high-carbon or high-speed steels. The bit bodies have a non-stick coating for easy resin removal.
For better safety, these bits should be used only in a router table equipped with a fence and not used free hand.
Each includes an advanced polymer friction-fit holder that can be mounted horizontally or upright.