Amazon.com : Uni-ball SXR-80-05 Jetstream Ballpoint Multi Pen Refills, Extra Fine Point 0.5mm, 4 Color Refills(Black/Blue/Red/Green) 12 Total Value Set : Office Products
Good Pen Choices for Jetstream Refills (sxr-80-xx in Zebra F701; OHTO Horizon Ballpoint; Ballograf Epoca - Details in comments) : r/pens
Uni SXR-80-07 Jetstream Ballpoint Multi Pen Refill - 0.7 mm - Black | JetPens
I love Jetstream ballpoint pens, but I would like something that looks “nice.” Any fancy looking pen that's compatible with 0.5 Jetstream refills? : r/pens