Product name: Four-color ballpoint pen
Product Code: A597
Refill specification: 0.7mm bullet type
Features：
1.This pen has four colors, the refill is four in one, with blue, green, red and orange. Having one pen is equivalent to having four pens at the same time.
2.A new generation of experimental formula, writing smoothly, not easy to block ink.
3.The tip of the pen is a tungsten carbide ball, which has been finely polished for many times until a ball with moderate smoothness is produced and has a long service life.
