Both versions of the Touch Pen have the same core features: a six-inch long pipe with a dome-shaped rubber tip and a retractable 0.7mm Japanese rollerball pen. While Touch Pen Polymer contains an unbranded plastic ink cartridge and Alloy has a LunaTik-branded metal ink cartridge, both sport metal tips that arrive capped with just a little clear plastic to prevent leakage during shipment. Once the cap is removed, each rollerball writes with the sort…
