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Brass Vertex Fountain Pen
The Karas Kustoms Brass Vertex Fountain Pen is a 133.3 mm (5.2 in), 111.2 g brass cap pen that ships with the Monteverde ink cartridges refill.
- Length
- 133.3 mm (5.2 in)
- Weight
- 0.2 lb · 111 g
- Mechanism
- Cap
- Refill
- Monteverde ink cartridges
Image not availableColor not published
What the data says
- Heavier than most pens its size: 100% of 54 comparable pens weigh less.
Computed from the specs below. How we write summaries.
Full specs
Last verified Oct 5, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (karaskustoms.com).
| Length (closed) | 133.3 mm (5.2 in) |
|---|---|
| Diameter | 14.6 mm |
| Weight (manufacturer) | 0.25 lb (111 g) |
| Mechanism | Cap |
|---|---|
| Ink | Fountain |
| Refill (as shipped) | Monteverde ink cartridges |
| Body | Brass |
|---|---|
| Pocket clip | No |
| Warranty | Lifetime Warranty against manufacturing defects on in-house manufactured parts |
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