1 diamond grinding bit, 1 fine miller, 0.5 and 1mm micro-drills, 1 brass brush, 4 high-grade corundum grind-ing bits (cylinder, sphere, disc and cone shaped), 1 polishing pad, 4 grinding wheels (2 corundum, 2 silicon carbide), 20 cutting discs and 1 arbor. The 6 …