Any Ink
"G2-style" refills for The Pen
- Acme 888*
- Avant Gel*
- Avant SilkScribe*
- Bic Gel Medium (0.7mm);
- Bic Velocity Gel*
- Caran d’Ache Rollerball Refill**
- Faber-Castell Roller Ball Pen Refill (511)*
- Faber-Castell Roller Ball Pen Refill (512)*
- FORAY (Office Depot) Pen Refill for Schmidt Rollerball
- Hauser Open Ceramic 777
- Monteverde Ceramic Rollerball Refill W22*
- Monteverde Ceramic Rollerball Refill K23
- Neatscript R800
- OHTO Ceramic Rollerball Pen Refill**
- Pelikan Rollerball 338
- Pentel LR7 Energel*
- Pilot Frixion Erasable Gel*
- Pilot G2 (0.35mm)*
- Pilot G2 (0.5mm)**
- Pilot G2 (0.7mm)*
- Pilot G2 (1.0mm)*
- Pilot G6
- Pilot Hi-Tec-C Cavalier (LHRF-15C3)**
- Pilot Juice
- Pilot LP2RF Gel Refill*
- Pilot LP3RF Gel Refill*
- Pilot Precise V5 RT*
- Pilot Precise V7 RT
- Pilot Q7*
- Platinum GSP-80*
- Schaeffer 511*
- Schmidt 6040 Fineliner
- Schmidt Safety Rolling Tube Refill
- Schmidt Rolling Supersteel Refill
- Schmidt Safety Ceramic Rollerball 888**
- Schmidt Safety Ceramic Rollerball 5888**
- Schneider Topball 850 Pen Refill*
- Uni Jetstream SXR-10
- Uniball R:E 0.5 (URR-100-05)
- Uniball Signo UMR-80 Gel*
- Uniball Signo UMR-83 Gel*
- Uniball Signo UMR-85 Gel*
- Uniball Signo UMR-87 Gel
- Visconti Rolleball Pen Refill AA40 0.7*
- Zebra JT Refill
- Zebra JF Sarasa Gel*
- ----
"Parker-style" refills for The Compact Pen and The Slim Pen
- Parker*
- Parker QuinkFlow*
- Cartier M*
- Montverde P42 Ceramic Gel*
- Visconti AA38*
- Fisher Space Pen*
- ST. Dupont*
- Schmidt Easyflow 9000 (509)*
- Schmidt P900*
- Stabilo*
- Pelikan 337*
- American Pen Company Gel Ballpoint*
- American Pen Company Liquid Ink Ballpoint*
- Montverde P11 SoftRoll Ballpoint*
- Montverde P13 SoftRoll Ballpoint*
- Montverde P15 SoftRoll Ballpoint*
- Montverde P44 Ceramic Gel*
- Private Reserve P900 Ballpoint*
- Private Reserve Gel*
- Schmidt P950 Megaline Pressurized*
- Unibene Gel Ink Ballpoint*
- Jaymo Gel*
- Rite in the Rain*
- Zutan Luxury Ballpoint Pen Refills*
- DunBong Refill*
- Montverde P152 One Touch*
- Rotring Giant Ballpoint*
- Stilform*
- Faber-Castell*
- Retro 51 Tornado*
- Staedtler 458*
- Kaweco Sport Gel*
- Uni SXR-600 Jetstream*
- Ohto Flash Dry Gel*
- --------------------------------
- * = tried and true
- ** = our favorite
- Refill lists subject to slight modification due to continuous design improvements.