The Dadao giant: #8 nib with a colossal 1.7ml screw-in converter
Not enough independent discussion to score this one honestly — catalogue data only.
What it is
An imposing oversized writing instrument designed for ink lovers who want monster capacity and a huge #8 nib.
Nicknamed 'Dadao' (Big Broadsword). An oversized colossal flat-top/cigar featuring a giant #8 nib and a proprietary high-capacity threaded converter holding 1.7 ml of ink (matching piston fillers). Features heart or heartbeat breather hole designs and robust acrylic barrels in demonstrator and solid finishes.
Spec sheet
| Archetype | Montblanc Homages & Torpedo Giants |
|---|---|
| Release year | 2023 (Giant Nib & Capless Innovation (2023–Present)) |
| Homage to | Montblanc Meisterstück 149 |
| Filling | Cartridge / converter |
| Nib type | #8 Giant Stainless Steel (EF/F/M Heartbeat) |
| Nib widths | Calligraphy · Fine · Medium |
| Length capped | 143.0 mm |
| Diameter | 18.0 mm |
| Weight | 32.0 g |
| Body material | High-Grade Acrylic Resin |
| Street price | $9–$15 |
| Colourways | 31 |
Dimensions mined from retailer listings and cross-checked across stores — approximate.
For and against
- Massive 1.7ml ink capacity in a screw-threaded converter
- Giant #8 nib with beautiful heartbeat or heart vent
- Excellent balance unposted despite colossal proportions
- Demonstrator finishes show ink sloshing brilliantly
- Giant diameter requires wide pen slots or pouches
- Too large to post comfortably
The ultimate oversized desk and long-session writer for under $15.
Colourways
31
Stocked at
| moonmanpen.com | $3.74 |
|---|---|
| moonmanpen.com | $10 |
| moonmanpen.com | $10 |
| moonmanpen.com | $10 |
| moonmanpen.com | $10 |
| moonmanpen.com | $10 |
| moonmanpen.com | $10 |
| moonmanpen.com | $12 |
| www.everythingcalligraphy.com | $13 |
| www.ttpen.com | $15 |
| docpens.com | $30 |
| docpens.com | $40 |
Converted to USD at August 2026 rates.
Sources
Also montblanc homages & torpedo giants
Compare side by side
Jinhao 159
The 50g brass giant that started the Chinese pen boom
$5.17
cartridge / converter
—
Jinhao 9013
Compact everyday torpedo with #6 heartbeat nib
$7.66
cartridge / converter
—
Jinhao 9016
Montblanc 146 size with 1.7ml converter capacity
71 owners
roster only
—
Jinhao 9026
Modern torpedo daily writer
2 owners
roster only
—
Jinhao X159
The lightweight #8 nib giant that shook the fountain pen world
$14
cartridge / converter
—