can the medium point cartridge be swapped for a fine point?

Yes! Fisher's PR4F (fine point) will fit, as well as the medium point (PR4) and bold point (PR4B). They also carry several color options. Visit https://www.spacepen.com/cartridge-2.aspx for more info!

is the pen refillable

Yes. The refills are about $5 or so and they are pressurized and write for months. The only refills you should use in the space pens. They also fit many other brands of pens and are well worth the price.

Brand	フィッシャー(Fisher)
Model Number	FP998559
Color	chrome
Pencil Lead Degree (Hardness)	Hard
Material Type	Chrome Plated Brass
Number of Items	1
Size	1 Count (Pack of 1)
Point Type	Medium
Line Size	0.5mm
Ink Color	Black
Included Components	Refill, cap
Product Dimensions	13.3 x 0.95 x 13.3 cm; 28.35 g
Shredded Shape	Pocket Clip, Refillable
Application type	Aircraft, Indoor and Outdoor, Outdoor, Travel, business gift

Apollo 11 50th Anniversary Limited Ballpoint Pen AG7-50 Astro Note 566742202

Details

Description

Specifications

Common Questions