Born from a collaborative effort from Kyuseido and Ben Walsh Design, the Kyuseido - Kakari FS features the innovative Pump Piston Filler integrated filling system. Unmatched attention to detail defines the Kyuseido Kakari FS. The pen body is made with optical grade cast acrylic, chosen for its remarkable clarity and beautiful polish, and internally fit with 303 stainless steel piston unit and rod that forms the Pump Piston Filler.

The cap, section, and piston knob are made from Ti-6Al-4V and finished with a high Ra finish directly on a Swiss lathe. The internal lining in both the cap and the piston knob are made from Delrin(r) acetal homopolymer, which ensures the smooth sensation when capping and uncapping the pen.

The piston rod features a valve system which blocks off the main ink chamber of the barrel from the nib and feed of the pen and can minimize potential leakage when traveling. To allow unrestricted ink flow from the barrel into the feed, unscrew the piston knob until the piston rod can move freely before writing.

Kyuseido worked with Ben Walsh Design to create two special finishes, only available through Gravitas Pens, to commemorate the release of this pen. The Kyuseido Kakari FS Gravitas Pens Special Edition comes in matte blue or machine polished blue.

These Gravitas Pens Special Editions will feature 14k yellow gold nibs fit on an ebonite feed made from black Nikko ebonite and adorned with the distinctive Gravitas Pens logo. The premium and durable AM tipping is specially formulated for high performance.

Please note that the nib sizes for the Gravitas Pens Special Editions write larger in size than the nibs from Kyuseido. Additionally, the Gravitas Pens nibs and feeds are set further into the housing than those from Kyuseido.

While it is possible to remove the section and to disassemble the Kyuseido Kakari FS, any disassembly is “at the user’s risk” and damage caused due to disassembly is not covered by the Kyuseido International Warranty.

The Kyuseido Kakari FS is a robust pen built to last. However, it is not designed to be indestructible. Damage caused due to dropping the pen, handling with excess force, and other external factors beyond regular writing and operation can be repaired outside of the Kyuseido International Warranty for a fee.

The Kyuseido Kakari is available in matte* or machine* finish, both available at Pen Venture.

*please specify in order notes which finish is ordered for the pen : Matt Blue - satin texture on metal parts (cap/section/piston knob) / Machine Blue - shiny even texture on metal parts (cap/section/piston knob).

Specifications:

- brand: Gravitas
- type: Fountain Pen
- color: Blue, Silver, Gold
- body material: titanium, stainless steel, delrin
- cap type: Screw-cap
- filling mechanism: Pump Piston Filler
- nib material: 14k Gold
- nib size: Extra Fine, Fine, Medium, Broad, Double Broad
- postable: Yes
- trim: Blue color
- length overall (closed): 144 mm
- length overall (posted): 175 mm
- body length: 133 mm
- cap length: 62 mm
- body diameter: 14 mm
- cap diameter (without clip): 14 mm
- weight (overall): 46.6 grams
- body weight: 30.8 grams
- cap weight: 5.8 grams

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