The set includes 34 industrial respectively dental quality bits and cutters: 1 diamond grinding bit, 1 fine miller, 0.5 and 1.0mm micro-drills, 1 brass brush, 4 high-grade corundum grinding bits (cylinder, sphere, disc and cone shaped), 1 saw blade, 4 grinding wheels (2 corundum, 2 silicon carbide), 20 cutting discs and 1 arbor. The 6 MICROMOT collets ranging from 1.0 - 3.2mm (description on page 4) are also included. With mains adapter for 220 - 240V operation (12V, 1.0A). Weight dimensions -Depth: 220 mm -Weight: 230 g Technical details -Input power: 40 W -Multi-tool applications: Cutting, Grinding, Polishing -Rotational speed (min): 5000 RPM -Rotational speed (max): 20000 RPM -Colour of product: Black, Green, Yellow.