Which Pen Refill Fits? Gel, Ballpoint and Fountain Ink Explained
By Luxury Stationery Store Australia | Published: 2026-11-02
Category: Buying Guides
Match your pen to the right refill: gel, ballpoint or fountain ink. Learn compatibility checks, ink trade-offs and when a 4-pack makes sense.
Quick answer
Choose a refill by matching the ink type and model your pen was built for: gel ink refills for smooth, bold lines, ballpoint refills for dependable everyday writing, and fountain pen ink refills (or an ink pot for fountain pens) only when your pen uses bottled ink. Check the pen model and refill code before buying a pack.
Why refill compatibility matters more than ink colour
A refill that looks similar can still fail if its length, tip shape or fitting differs from your pen's original. The safest check is the pen model and the refill code printed on the old refill or in the pen's instructions. If you cannot find a code, treat the refill as unverified rather than guessing.
Gel and ballpoint refills are sealed units that slot into a specific pen body. Fountain pens work differently: some use cartridges or converters and a separate bottle of ink, so a 'fountain pen ink refill' is not a universal drop-in part. Confirm which system your fountain pen uses before buying ink.
Gel vs ballpoint: the practical trade-offs
Gel ink typically lays down a smoother, wetter line and suits note-taking, letters and signatures where you want contrast. The trade-off is that gel can smudge on glossy paper and may run out faster with heavy use. Ballpoint ink dries quickly, works on most paper surfaces and is the more forgiving choice for forms, diaries and travel.
Neither is inherently better. If you write long sessions and like a fluid feel, gel is the natural pick. If you need a pen that starts reliably after sitting in a bag, ballpoint is the safer everyday option.
When a 4-pack is the right buy
Multi-packs make sense when you have confirmed the refill fits a pen you use often, or when you keep the same pen in several places. They are a poor first purchase if you are still testing compatibility, because an unopened pack of the wrong refill is no use to you.
Colour choice is the other factor. Blue and black cover most office and personal writing, but if you need a specific colour for marking or journaling, check the available options before committing to a pack.
Decision rules for choosing a refill
- Start with the pen model: Identify your exact pen model and any refill code on the old refill. If the code matches a listed refill, buy that refill; if not, contact the pen maker before ordering.
- Match the ink system: Use a gel refill only in a pen designed for gel, a ballpoint refill only in a ballpoint pen, and fountain pen ink only in a fountain pen that accepts cartridges, a converter or bottled ink. Never trim or force a refill to fit; a loose or tight fit usually means the wrong part.
- Choose gel for smoothness, ballpoint for reliability: Pick gel if you want a wetter, more expressive line and mostly write on absorbent paper. Pick ballpoint if you need quick drying, smudge resistance and dependable starts.
- Buy a single refill first when unsure: If you have not used that refill code before, test one refill before buying a 4-pack. Once the fit and feel are confirmed, the pack becomes good value.
- Use an ink pot only with a fountain pen: An ink pot for fountain pens is for refilling converters or cartridges, not for topping up gel or ballpoint refills. Check that your fountain pen accepts bottled ink before buying.
Product facts
- No. 98 Ballpoint Ink Refill 4pk: 4-pack of Bespoke No. 98 ballpoint ink refills in Blue or Black, made to fit the Bespoke Hex Brass Pen and Bespoke Brass Twist Pen. A confirmed model fit removes the main compatibility risk, and the 4-pack suits writers who use either brass pen daily.
No. 98 Ballpoint Ink Refill 4pk - No. 112 Gel Ink Refill 4pk: 4-pack of Bespoke No. 112 gel ink refills in Blue or Black, made to fit Bespoke Black, Silver and White Executive Pens. If you own an Executive Pen and prefer a smoother gel line, this is the matching refill rather than a generic gel refill.
No. 112 Gel Ink Refill 4pk
Who should choose which refill
Best for
- Writers who own a Bespoke Hex Brass Pen or Brass Twist Pen and want a confirmed ballpoint refill in a 4-pack
- Owners of Bespoke Black, Silver or White Executive Pens who prefer a smoother gel ink refill
- Fountain pen users who already know their pen accepts bottled ink or cartridges
Not for
- Pens whose model or refill code is unknown; verify compatibility first
- Anyone hoping a gel refill will fit a pen designed for ballpoint, or vice versa
- Fountain pen owners who have not checked whether their pen uses a converter, cartridge or ink pot
