• Set of 8 diamond drill bits with diameters of 0,8 mm, 1,0 mm, 1,2 mm, 1,5 mm, 1,8 mm, 2,0 mm, 2,5 mm and 3,0 mm. • Manufactured with a special diamond coating that provides exceptional hardness and durability. • Designed for precision drilling in hard materials such as glass, ceramics, tiles, metal, shells, jade and pearls. • Ideal for fine jewelry making, crafts, marble, stone and DIY projects. • Silver-colored tools that effectively penetrate resistant surfaces for professional results.