★International standard refill ★
■ Insoluble in water and smooth in writing, the characteristics are between oiliness and water
■ Refill thickness about 0.5
■ The writing length is 5000M +-20%
■ Taiwan made refills, nib dispensing anti-drying
■ International standard specification refill, easy to replace
■ Compatible with ARTEX oily cartridge specifications can be replaced!!!
Origin / manufacturing methods