The HiKOKI 500507 Proline 12-piece router bit set in a wooden case is a comprehensive collection of professional-grade router bits designed for woodworking applications. This set features an 8 mm shank diameter compatible with standard routers and includes twelve specialized bits for various tasks. The set contains three groove cutters with diameters of 6 mm, 12 mm, and 16 mm, all with a cutting width of 19.4 mm. It includes an edge trimming bit with a bearing guide measuring 12.7 mm in diameter and cutting width, plus two profile cutters for hollow profiles with diameters of 12.7 mm and 22 mm, both with a radius of 6.35 mm. Rounding-over bits with diameters of 22 mm and 28.6 mm feature radii of 6.35 mm and 9.5 mm respectively. The collection also includes an ogee bit with a 25.4 mm diameter and 4 mm radius, a V-groove cutter with a 12.7 mm diameter and 45-degree angle, a dovetail bit with a 12.7 mm diameter and 14-degree angle, and a chamfer bit with a bearing guide measuring 32 mm in diameter and 45-degree angle. All bits are constructed from high-quality materials for durability and precise cutting performance. The wooden storage case provides organized protection and convenient transport. This versatile set covers most common routing applications including edge profiling, decorative molding, joinery work, and groove cutting. The consistent 8 mm shank ensures compatibility with standard router collets. Each bit is designed for clean cuts and smooth finishes in various wood types. The comprehensive selection makes this suitable for both professional woodworkers and serious hobbyists requiring multiple routing capabilities in one organized package.