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)-
Gundam Planet - GM01 Black Fine Line Marker
GM02 GUNDAM GRAY FINE LINE MARKER | MasterGrade Hobbies
Mr.Hobby Gundam Marker: White (GM11)
Mr.HOBBY Creos GUNDAM MARKER 33 COLOR SET GM01-GM410 | eBay
Mr. Hobby Gundam Marker Pen Painter GM01 Black Bandai Color Paint Detail Liner | eBay
Amazon.com: GSI Creos Black Fine Point Gundam Marker : Toys & Games
Mr. Hobby Gundam Marker Black Fine Line - Walmart.com