A Kit of Conical Drill Bits with Stoppers consist of conical drills with the diameters:
2.2mm (lenght 6, 8, 10, 11.5, 13mm)
2.7mm (lenght 6, 8, 10, 11.5, 13mm)
3.3mm (lenght 6, 8, 10, 11.5, 13mm)
3.7mm (lenght 6, 8, 10, 11.5, 13mm)
4.5 mm (lenght 6, 8, 10, 11.5, 13mm)