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1 retailer
Piston Sport Fountain Pen
The Kaweco Piston Sport Fountain Pen is a 105.4 mm (4.1 in), 10 g plastic cap pen.
- Length
- 105.4 mm (4.1 in)
- Weight
- 0.0 lb · 10 g
- Mechanism
- Cap
- Refill
- Not published
Image not availableColors: Black
What the data says
- Lighter than 64% of the 14 other pens we list in the 95–115 mm range.
Computed from the specs below. How we write summaries.
Full specs
Last verified Oct 5, 2026
Kaweco’s own site doesn’t allow automated reading, so specs, prices and photos come from The Goulet Pen Company’s product page (gouletpens.com), a retailer that sells it. Unless marked otherwise, every spec is quoted from that page.
| Length (closed) | 105.4 mm (4.1 in) |
|---|---|
| Diameter | 10.9 mm |
| Weight (manufacturer) | 0.02 lb (10 g) |
| Mechanism | Cap |
|---|---|
| Ink | Fountain |
| Body | Plastic |
|---|---|
| Finishes | Black |
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