With these conical reamers very neat tone holes can be cut into flutes, clarinets and oboes. This improves both the appearance and the acoustics of the instruments. We manufacture our tone hole reamers from best HSS steel; overlapping diameters facilitate positioning the tools.
Material: Special steel, tempered to 60 Rockwell
Technical Details: Cone tapering 1:10, diameter D = 6,1 / d = 4 mm, length L = 21 mm, 8 cutters.