Summary:
Product Features:
· Bigger tip end size is 1.0mm, another end is about 0.6mm.
· The bigger tip end is PAL fiber, another is polyformaldehyde. The wear resistance and self-lubricating properties are superior to most engineering plastics. At the same time, it has good oil resistance and peroxide resistance, fast ink printing and smooth writing.
· Water-proof, odor free, writing clear, no fading.