The bosch 6 piece 1 4 router bit set is a carbide-tipped router bit set designed for the most common profiling and jointing tasks with hand-guided routers. The set covers two key areas of routing work: profiling and precise connections. For profiling, it includes a rounding over bit with ball bearing, a core box bit, and an edge forming bit with ball bearing. Three straight bits are also included for slotting and dado work. All bits feature high-grade carbide tips with an optimised cutting geometry and precision-ground finish, delivering clean, accurate results and extended service life. The 1 4 shank is compatible with 1 4 collets across all common router brands, making this set a practical addition to any workshop or on-site toolkit. Features and benefits: high-grade carbide tips with precision-ground finish for clean cuts and long service life ball bearing guides on profiling bits for consistent, controlled edge work includes profiling and straight bits to cover the most common routing tasks 1 4 shank compatible with all common router brands suitable for use with hand-guided routers from all major manufacturers specifications: weight: 0.3 Kg dimensions: 188 x 108.6 X 48.4 Mm contents: rounding over bit with ball bearing: ø 21.8, R 6.3, L 13.5 Mm core box bit: ø 12.7, R 6.3, L 12.7 Mm straight bits x3 : ø 8 12 12.7, L 19.7 Mm edge forming bit with ball bearing: ø 25, r 4.5, L 16.3 Mm