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Home Gravitas - Monster Grade 5 Titanium & Ultem | Stone Washed
GravitasSKU: GP-FP-MO-G5TI-3/SI-SN8

Gravitas - Monster Grade 5 Titanium & Ultem | Stone Washed

€390,00 /
Tax not included. Shipping calculated at checkout.
4.89 (9 reviews)
Nib: Steel #8
Nib Size: Extra Fine
Gravitas - Monster Grade 5 Titanium & Ultem | Stone Washed
€390,00 /
Nib: Steel #8
Nib Size: Extra Fine

 
 
Description

Precision Engineering. Radical Innovation. Timeless Design. The Monster

Don't be misled by the name, The Monster is not an oversized fountain pen. It’s a thoughtfully crafted writing instrument, inspired by the classic Gravitas Vac silhouette and refined with modern engineering. Every curve, every proportion has been carefully considered to create a fountain pen that feels bold yet perfectly balanced in the hand.

Disclaimer ! - the combination of the sleek finish and the lack of the clip makes this pen to easy roll off the table/desk or slip off the pocket while in carry, the result of such unfortunate events can be a pen barrel cracked and/or split where the clear acrylic meets the aluminium section threads. Such unfortunate accidents are not covered by warranty !

Machined from solid Grade 5 Titanium and paired with an Ultem barrel, the Monster delivers a writing experience that is both substantial and effortless. Its weight have been optimised and increased from the Aluminium version, offering a solid feeling and comfort without compromise. The Stone Washed finish is obtained by blasting the raw titanium resulting in a satin - ceramic like texture to the touch. The cap is featuring a inner Delrin sleeve which allows for a smooth posting and a smooth feel in capping and uncapping - aiding in the sealing of the nib inside the cap.

At the core of The Monster lies the Kraken Filling System, a revolutionary filling mechanism born from a surprising source: medical device research. While developing retractable pens,  Ben Walsh the lead designer of Gravitas explored shut-off valves and sealing solutions used in mechanical devices - heart valves. The result? A precision-engineered system that offers reliable and efficient operation, vacuum integrity and a unique tactile experience that sets it apart from traditional vacumatic filling systems.

When installed in The Monster - Kraken Filling System brings a huge ink volume of 7ml of ink at full load (full Namiki Emperor ink load - 6ml ink) and an outstanding vacuum integrity due to the use of specialised quad ring* (*a two contact point square ring which maintains a lubricant in between contact points ensuring constant lubricant delivery each time when used) translating in a efficient suction of ink with even one plunge.

The writing point of The Monster is a steel size 8 nib paired with an ebonite feeder - available in 4 sizes : Extra Fine, Fine, Medium and Broad. 

Monster is more than a writing instrument. It’s innovation you can feel, in every detail, every line, every word you write.

Specifications:

- brand: Gravitas
- type: Fountain Pen
- color: Silver & Yellow
- body material: Grade 5 Titanium / Ultem
- cap type: Screw-cap
- filling mechanism: Kraken Filler (Vac type system)
- nib material: Steel
- nib size: Extra Fine, Fine, Medium, Broad
- postable: Yes
- trim: Silver 
- length overall (closed): 147 mm
- length overall (posted): 182 mm
- body length: 143 mm
- cap length: 70 mm
- body diameter: 16 mm
- cap diameter (without clip): 17 mm
- weight (overall): 57 grams
- body weight: 34 grams
- cap weight: 23 grams

Specifications

Brand: Gravitas
Model: Monster
Edition: Regular
Color: Silver and Yellow
Body Material: Metal and Ultem
Finish:

Cap Type:
Screw
Filling Mechanism:
Hybrid
Postable:
Yes
Trim Color: Silver
Length Overall (Closed): 147 mm
Length Overall (Posted): 182 mm
Body Length (Uncapped):
143 mm
Body Diameter: 16 mm
Cap Diameter (Without Clip): 17 mm
Weight Overall: 57 g
Body Weight: 34 g

Customer Reviews

Based on 9 reviews
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M
Mikko
Quality engineering

I skipped the original aluminum Monster mainly due to fear of slipperiness. I've had issues with other aluminum pens and I seem to recall multiple reviewers mentioning such with the aluminum Monster. I heard no such complaints for the stone washed titanium one so I eventually went for it. I'm glad I did!

The large broad nib is silky smooth, the matte finish comfortably grippy, the vacuum filling system well made and the ink capacity very impressive. The body is nice and thick and feels suitably hefty. I also like the look of the matte finish. Matte doesn't seem to be quite as common in fountain pens as all kinds of shiny finishes (which can obviously be great too!) so it's nice whenever it's an option.

I'm not used to pens without any kind of roll stop but at least on my shall we say busy desk the Monster is quite safe from falling. I'm not sure if the Ultem in this one is supposed to be sturdier than the acrylic in some other versions or not but better be safe in any case.

Shipping was quick and secure and included a traditional handwritten letter from Emy. Thank you!

N
Nikki Egleton Volz
Favorite Pen, hands down

I was hesitant to buy a Gravitas Monster because I saw a lot of users online mention how fragile the barrel is. Essentially if you drop it from even a short distance, the acrylic barrel is toast. At this price point, a pen so fragile sounded like a bad move. But I REALLY wanted one because it looks so cool, its got a huge ink capacity, and some reviewers said the nib is very well tuned right out of the box. The positive nib reviews and the fact that there is an Ultem version sold me on this pen.

Instead of going with the acrylic barreled version, I opted for the Ultem barrel with titanium. I haven't dropped it yet, as I am careful to keep it in the padded case it came in, and I only use it when I am seated at a desk.

I got an extra fine nib, and loaded it up with Pilot Iroshizuki grey ink. This giant #8 extra fine nib is an absolute pleasure to write with. It is so smooth and so consistent across my fountain pen friendly papers. (Colorverse notebook, Endless notebook, and leuchtturm notebook) I love the weight and feel of this pen in my hand. I can only describe it as, "solidly and definitively present." But it's not taxing to write with it for long periods. I love it so much I have to fight the urge to buy the green Monster with the acrylic barrel.

L
Louis Lepage
Great fountain pen

I bought a Gravitas Monster Titanium and Ultem with a M nib. It’s really a great pen, a great writer. The pen feels solid, well made. It's easy to fill, it holds a lot of ink and, most important point, it writes perfectly. The nib is smooth, with just enough feedback; the pen is a wet writer but not too wet either; the nib is stiff but not too stiff, you can get some line variation. And the M nib writes close to a stub nib for me. One - subjective - point: the grip section is a girthy one, maybe just a little bit too wide for my personal taste. I’m adjusting, this does not prevent me from using that pen on a regular basis. The service form Pen Venture, Emy and his team, was excellent as usual.

S
Steven Zukerman
Gravitas Monster Titanium

The pen and packaging are great. Nice size and materials.
The EF nib was scratchy and did not write well at all (despite a request to have it tuned/smoothed prior to shipping). I took it to a Nibmeister who spent some time fixing bib and now writes much better. The steel nib feels a bit more scratchy than any gold nib I’ve used previously, but expected that from steel.

J
Jim Laurel
New Monster Ultem Titanium is amazing.

Where do you start with such a great pen? It’s one of those rare products, which seems to have been thoroughly thought-through. The size and shape are perfect, The nib is as good as it gets. Franky, the stainless nib on my Monster eclipses most of my gold-nibbled pens. The feed is wet, juicy and never starves. And the aesthetic design is fantastic: obsolete fountain pen technology brought into the 21st century. The Monster gets top marks from me!

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© 2026 Pen Venture - Passion Virtuous,

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Cristina C.
Gorgeous pen, stellar service

I love the pen. It’s one of the smoothest pens I have ❤️ I got it in the black version and it’s the best choice for someone like me who likes more pigmented inks and is not the most patient with the cleaning process. The medium nib is closer to a European medium (similar to Lamy Al Star Medium) so keep that in mind. Absolutely loved the letter from Emi, didn’t expect it so it was a lovely surprise and a personal touch that I haven’t experienced with other known retailers.

Pilot - Custom 823 | Black |
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Perfect in Every Way

This is my second Gravitas pen. The Monster was my first one first. Pen Venture's customer service is fantastic! Processing and Shipping were fast with no problems. The pen itself is great. Very well made. Fit and finish are exacting. The BROAD nib is super juicy and lays down a thick, commanding, wet line. Perfect for signatures and list making. The nib came perfectly tuned. Emy's high-quality videos really helped me to decide on the purchases.

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