Black, Blue, Red, Green (Liquid ink conforms to ASTM D-4236)
Stainless Steel Needle Type(Needle Pin Needle Pipe)
12pcs/Dozen Box, 72pcs/Shrink Film, 864pcs/Outer Carton
⊙ Advanced free ink system ensure smooth ink flow and keep consistent writing until the last drop of ink. The product has the most stable and outstanding quality control performance in writing instruments.
⊙ The ink color range is complete, bright and vivid, ideal for long-term archiving.
⊙ The product has strong environmental adaptability, suitable for using in the circumstance of high temperature, cold, high altitude flight, etc.