Gundam Marker GM01 Black Fine-tip (For Panel Lining) — GUNPLA SA
Mr.Hobby Gundam Marker: White (GM11)
Amazon.com: GSI Creos Black Fine Point Gundam Marker : Toys & Games
G Project - Panel lining! An easy yet effective way to give your models that extra bit of flair. Here are some of the more common options: 1) Panel-lining Gundam Marker (スミいれ用)-
GM02 GUNDAM GRAY FINE LINE MARKER | MasterGrade Hobbies