6Pcs Staedtler 4612 Luna Gel Pen Ballpoint pen roller pen 0.5mm Black/Blue/Red Color Office and School Supply|gel pen|pen 0.5mmoffice and school - AliExpress
Bead Roller (Round, Oval & Bicone) - HappyThings
Staedtler Triplus Rollerball Stick Pen 0.4 mm Tip Assorted Colors Pack of 10 New | eBay
New Staedtler Pen Set 10 ea Multicolored Rollerball Staedtler, Multi-Colored | eBay