These popular insert router bit profiles provide all woodworkers access to the industrial-grade technology, at an affordable price. By replacing worn knives instead of sharpening standard carbide tipped bits, router bit dimensions, cutting quality and accuracy remain constant during the life of the tool. Ideal for routing: Â MDF, ChipboardSoftwood, Hardwood. The covetto form - produced by the cove bit - is one of the classic building blocks for many molding profiles. Use it alone or in combination with beads and fillets. Use the cove to detail the edges of casework, doors and drawers, posts and columns. The cove also makes up one-half of the rule joint used on drop-leaf tables, the other half is the corner-round. Benefits of the in-Tech Series include: Â Cutting accuracy remains constant during the life of the knife, Priced comparably to brazed router bits with at least 4 times longer tool life, Superior cutting quality, No resharpening costs, Harder grade tungsten carbideReplacement insert knives sold as a pair.