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1 retailer
PHX-Pen
The Big Idea Design PHX-Pen is a 140 mm (5.5 in), 55 g stainless steel cap pen that ships with the Hi-Tec-C 0.4mm black refill refill.
- Length
- 140 mm (5.5 in)
- Weight
- 0.1 lb · 55 g
- Mechanism
- Cap
- Refill
- Hi-Tec-C 0.4mm black refill
Image not availableColor not published
What the data says
- Heavier than most pens its size: 80% of 46 comparable pens weigh less.
- The brand lists 7 compatible refills, including Muji Gel Ink Ballpoint Pen Refill 0.38mm (Sku#4548718815890), Pilot Hi-Tec-C & G-Tec-C standard refills (all tip sizes & refill colors) and Rotring Tikky Liner Gel - 0.3, 0.5, 0.7 mm.
Computed from the specs below. How we write summaries.
Full specs
Last verified Oct 20, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (bigidesign.com).
| Length (closed) | 140 mm (5.5 in) |
|---|---|
| Diameter | 10 mm |
| Weight (manufacturer) | 0.12 lb (55 g) |
| Mechanism | Cap |
|---|---|
| Refill (as shipped) | Hi-Tec-C 0.4mm black refill |
| Compatible refills | Muji Gel Ink Ballpoint Pen Refill 0.38mm (Sku#4548718815890), Pilot Hi-Tec-C & G-Tec-C standard refills (all tip sizes & refill colors), Rotring Tikky Liner Gel - 0.3, 0.5, 0.7 mm, Uniball Signo DX Refills (UM-151) (UMR-1) 0.28, 0.38, 0.5 mm, Uni-ball Signo Needle (UMR-1ND-38) (0.38 mm), Uniball Signo Gel Pen (UMR-5)(0.5 mm), Uni-ball Signo Gel Pen Refill (UMR-10) 1.0 mm |
| Body | Stainless steel |
|---|---|
| Pocket clip | Yes |
| Warranty | Lifetime warranty |
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