* Dual head design
* One pen has two nibs:
* Wide head (flat and beveled head): suitable for large-area key marking, with clean and smooth lines.
* Fine head (round tip): suitable for fine marking and small character writing, flexible and versatile application.
* Quick-drying ink
* Specially adopts Fast Dry technology to reduce ink accumulation and smudging, and write cleanly.
* The color is bright and gentle, not easy to fade
* Provide a variety of color options to make the mark more layered and recognizable.
* Anti-ink accumulation design
* Special pen tip design effectively prevents ink accumulation and keeps lines clear and neat.