Sandpaper holder for holes with electric screwdriver diameters: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12mm

Sandpaper holder for clearing or grinding holes with electric screwdriver:
1) hexagonal part size 10mm for fixing scredriwer;
2) several versions with cylindrical surface for sandpaper, diameters: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm (diameter without sandpaper)
3) for diameters 4-12 groove for fixing sandpaper is 1mm;
4) for diameter 3mm groove for fixing sandpaper is 0.5mm

Printed out and shown on pictures are only 3 versions: 6, 8, 12mm