They are the only refills that will write at any angle because they do not rely on gravity, and have a shelf life of 100 years. The SPR Series Refills fits all Fisher Pens except for the Triple action or Quad action pens; they take the "SU" Series.
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23pcs/set Erasable Pen Set Washable Handle Black Blue Red Ink Writing Gel Pen Refill Rods For School Office Stationery Supplies
Aliexpress UK
Fisher Space Pen Pressurized Refills (PR series) Fits the Following Space Pen product categories: Bullet, Astronaut, Shuttle, X-750, Space-Tec, Military, Zero Gravity, Future, Cap-O-Matic Economical 3-pack! Black Ink Bold Point Writes at any angle, even in Zero Gravity. Simply the most versatile pen ever made. Writes in extreme temperatures from -30F to 250F All Brass and steel construction [Listing and template services provided by inkFrog] (https://signin.ebay.com/authorize?client_id=inkFrogI-eBayShop-PRD-45d7504c4-548de517&response_type=code&redirect_uri=inkFrog__Inc.-inkFrogI-eBaySh-vlfzfmcd&scope=https://api.ebay.com/oauth/api_scope%20https://api.ebay.com/oauth/api_scope/sell.marketing.
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6Colors/Set Japan Uni Uniball One Gel Ink Pen Mitsubishi Ballpoint Pens 0.5MM Colorful Refills Quick Dry for Smooth Writing
Aliexpress UK
They are the only refills that will write at any angle because they do not rely on gravity, and have a shelf life of 100 years. The SPR Series Refills fits all Fisher Pens except for the Triple action or Quad action pens; they take the "SU" Series.
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STONEGO Handcrafted Wood Fountain Pens, Vintage Fountain Pen, Medium Nib, Includes 4 Ink Cartridges and Ink Refill Converter
Aliexpress UK
Fisher Space Pen SPR3F Refill, Green Fine. Each refill includes a plastic adapter so the refill can be used in any Parker-style pen. Made in USA.
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Uni Gel Pen Ballpoint Pen Set Office Supplies 0.5/0.7 SN-100 Blue/black/red Replaceable Refills Student Writing School Supplies
Aliexpress UK
This is a cap type pen, not a retractable pen. It is a compact pen with the cap on and a full sized pen with the writing point exposed. It is pictured both ways for a comparison. This pen is 5-3/8" long when ready to write and capped is only 3-3/4" Long.
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12Pcs Colors Gel Pens and Refills for School Office Coloring Book Journals Drawing Art Markers Pen
Aliexpress UK
ORIGINALLY WHEN SENSA MADE THE PENS THEY ONLY USED THESE REFILLS.
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KACO Premium Gel Pen Refill, MIDOT 0.5 Business Sign Pens, Simple Elegant Gift for Yourself Girlfriend Classmate Family Coworker
Aliexpress UK
Perfect Gift For Any Occasion Astronaut Space Funny Pens This pen includes Astronaut and some gold/silver/blue/black caviar microbeads to add glitter inside.Floaters sway and dance when you move the pen.Made of high-quality metal/plastic materials with a special and stylish design that will catch everyone's attention.If floater does not move.You can knock strongly and tiltly in 45 degrees the liquid part of the pen to the table edge or your hand.The floater will be floating again. It's not just writing pens; it's special decorative pens that adds flair to your desk or workspace. Surprise your loving friends, colleagues, or family members with this cool ballpoint pens.It's funny pens for men and women. Perfect Gift For Any Occasion Space Pens Watching the floatings glide and spin can help you unwind and destress during busy work hours.
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6 Pcs Empty Refill Paint Markers Blank Acrylic Paint Pen Refillable Paint Pens Empty Refillable Marker for Rock Painting
Aliexpress UK
This pen has been a fan favorite for years due to its ease of carrying. Think about it. How many keychains do you see that have a pen attached?. I think we’ve made our point.
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Cross Stitch Water Soluble Pen Set Water Automatic Erasing Pen Marker Water-Soluble Refill Fabric Markers DIY Sewing Accessories
Aliexpress UK