Large professional diamond grinder set, cutter bits, grinder, grinding heads, diamond grinder set (not suitable for Beurer devices), 11 pieces, 10 x different cutters, consisting of: 1 x fine grit (red), 4 x normal grit (blue), 3 x coarse grit (green), 2 x super coarse grit (black), 1 x storage box. If you order these grinders individually, you would pay 89.90 euros for every job, whether callus removal or nail processing. Suitable for pedicures and manicures (natural "real" nails + artificial nails). Absolute professional quality (not cheap China quality). Working part: diamond coated. Shaft: stainless steel, easy to clean. EU standard. Suitable for all standard devices. Sheep diameter: 75 mm brand quality from InstrumenteNRW