Set Composition8-piece milling bit set, consisting of 4 x 8mm shank flat milling bits and 4 x flat milling bits. At no extra cost, you will also receive 2 magnetic striking bits, 6 ball bearings and 2 wrenches. Each item in the milling bit kit is carefully individually packaged to prevent damage from accidental bumps during shipping. Exceptional hardness and longevity. Our cutters are made of high quality K10 tungsten carbide, which ensures exceptional hardness and durability. With reliable performance, they are designed to meet all woodworking requirements. Other areas of application SHIPPING: These cutters are ideal for deburring, edging and trimming work. drawers and are suitable for cuts in wood, MDF, chipboard, plywood, compact boards, etc. Note: DO NOT use for cutting hard metal sheets and non-wood materials such as steel, iron, etc. Important Note The shimmering green surface of the bits may fade over time, but rest assured that this does not affect the effectiveness of the router bits.