Groove edges for T-moldings, splines or biscuits, and other purposes. Rout tongue-and-groove joinery. Each assembly includes a cutter, bearing for a 1/2" deep cut, and either a 1/4"-, 3/8"-, or 1/2"-shank arbor. Use in a handheld or table-mounted router. All assemblies include cutter, arbor and ball bearing.

Round Nose bits are a basic curved bit often used for sign making. The round nose is perfect for cutting round grooves in any project without leaving square corners.