ACME Studio's 5888 "F" Refill, comes in black ink. It is packaged in a sealed plastic sleeve.

These refills are compatible with:

• All Standard Roller Balls
• All Etched Pens
• Hybrid Collection
• Stiletto Collection
• P2ES33R "Rugby Red"
• P2ES05R "Rochettina"
• P2H04R & P2H05R "Rings"
• P2MD03R "Linear"
• P2MG08R "Grid"
• P2PS03R "Smudge Stick"
• P2LL01RB "OH-Ring" •

The Acme Parts collection is available here.

The Acme Studio brand is available here.