Amazon
Indestructible Tungsten Carbide Ball, Ventilated Cap Writing stroke 1 mm, writing length 1700 meters Sliding writing, available in black, red, blue, green Economic version for school, office and professional uses
Indestructible Tungsten Carbide Ball, Ventilated Cap Writing stroke 1 mm, writing length 1700 meters Sliding writing, available in black, red, blue, green Economic version for school, office and professional uses