Infini Model Soft Stick File.
No. 5,000, 4 pieces included.
Electrostatic induction method
Made with German sponge pad that is highly flexible.
Ideal for premium finishes and polishing, providing a uniform and stable finish.
Can be used with either air or water sharpening.
Double-sided with resin core (Size: 5.3 x 0.7 inches (133 x 18 mm).
(From )