[Durable and Sharp] - Carbon steel quenching process can increase wear resistance and has a long service life. There are hundreds of sharp serrations around the wheel, which can be applied to most non-metallic materials. [Fine polishing treatment] - The pointed edge and wear resistance are particularly suitable for finishing. Ø 40 mm rotating ball cutter for perfect milling of recesses, slots, hollow profiles and free shapes. [Easy to use] - Just screw in for easy installation. Comfortable and practical operation allows you to easily remove various materials, it greatly improves work efficiency. [Small] - Rotating spherical cutting head with compact dimensions, small size and light weight, easy to carry, you can take it anywhere you want to use it. [Wide Application] - Our wood carving ball cutter is ideal for wood, fiberboard, multi-layer board, solid wood, MDF board, straight grinder for woodworking with the best wood tool.