$69.95
1 retailer
Sigma Clicky Pen
The Prometheus Lights Sigma Clicky Pen is a 133.4 mm (5.3 in), 25.5 g aluminum side click pen that ships with the Schmidt Easyflow 9000 (Medium/Blue) refill.
- Length
- 133.4 mm (5.3 in)
- Weight
- 0.1 lb · 26 g
- Mechanism
- Side click
- Refill
- Schmidt Easyflow 9000 (Medium/Blue)
Image not availableColor not published
What the data says
- Lighter than 72% of the 54 other pens we list in the 123–143 mm range.
- Lowest in-stock price is 36% below list price this week.
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 (prometheuslights.com).
| Length (closed) | 133.4 mm (5.3 in) |
|---|---|
| Diameter | 11.4 mm |
| Weight (manufacturer) | 0.06 lb (26 g) |
| Mechanism | Side click |
|---|---|
| Refill (as shipped) | Schmidt Easyflow 9000 (Medium/Blue) |
| Compatible refills | Parker compatible refills |
| Body | Aluminum |
|---|---|
| Pocket clip | Yes |
| Built for | Everyday carry |
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