Router with diamond particles for processing wood, ceramics, glass, jade, and other hard materials. Ideal for detailed engravings, carving, finishing, and repair work. Shaft diameter: 3.2 mm, working diameter: 4.4 mm. Two routers included. The diamond-tipped router is suitable for intricate work on various hard materials, including wood, glass, ceramics, jade, and semi-precious stones. The recommended maximum speed for using the router is 25,000 revolutions per minute. The router is equipped with diamond particles, allowing for matting glass and performing other fine tasks with minimal effort.