roller pen refill
good quality and fast delivery
easy writing for over 600 meters
no leakage in 2 years
ink from Germany

roller pen refill

1) material:metal or plastic

2)quality: nib from Switzerland, ink from USA

3) writing: provide you an easy writing for over 600 meters

4)leakage: no leakage in 2 years

5)dimesion: 0.5cm, 0.7cm

6) output: daily output can reach 1 milllon pcs