General description Rain cutter sets and T-bars with 3 teeth provide convenience for your daily woodworking. These router bits are designed to cut an even tooth width, ensuring a clean, crack-free result. Technical specifications Shank Diameter: 1/2'' (12.7mm) Tooth Width: 1/2'' (12.7mm) Tooth Depth: 1/2'' (12.7mm) Imbalance tolerance: +/- 0.003' Material: Solid hardened steel and C3 grade carbide Usage These router bits are designed for laptop or desktop wood engraving machines, such as portable and table-mount CNC routers. Note that they cannot be used in power drills and electric drills. Other information Wide application: Suitable for cutting wood, MDF, chipboard, plywood, board, softwood, hardwood, etc. Perfect choice for both professionals and amateurs.