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1 retailer
Brass Bolt
The Karas Kustoms Brass Bolt is a 140.5 mm (5.5 in), 73.9 g brass bolt action pen that ships with the Monteverde P41BK Extra Fine Gel - Black refill.
- Length
- 140.5 mm (5.5 in)
- Weight
- 0.2 lb · 74 g
- Mechanism
- Bolt action
- Refill
- Monteverde P41BK Extra Fine Gel - Black
Image not availableColor not published
What the data says
- Heavier than most pens its size: 93% of 43 comparable pens weigh less.
- The brand lists 3 compatible refills, including Monteverde P42BK Fine Gel - Black, Schmidt EasyFlow 9000 - Black and Pilot G2 Refill.
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) | 140.5 mm (5.5 in) |
|---|---|
| Diameter | 11.1 mm |
| Weight (manufacturer) | 0.16 lb (74 g) |
| Mechanism | Bolt action |
|---|---|
| Ink | Gel |
| Refill (as shipped) | Monteverde P41BK Extra Fine Gel - Black |
| Compatible refills | Monteverde P42BK Fine Gel - Black, Schmidt EasyFlow 9000 - Black, Pilot G2 Refill |
| Body | Brass |
|---|---|
| Warranty | Lifetime Warranty against manufacturing defects; Lifetime Service & Repair |
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