0.5 pen

Specifications: length 14.8cm，

The diameter of 1cm，

Refill cartridge diameter 3.8mm， inner diameter 2mm

Packing: box 1 12， 1 144 branch box， 1 box 1728

Weight: 100 grams of box 1

Want to reiterate the neutral pen， not remember to cover the pen cap!!! Otherwise， the penin a few days will be killed， not write a word.