Gravitas Quark Ultem Nib:EF • Guilloché engraving milled using

•    Guilloché engraving milled using a ball-end cutter

Roppongi is one of the most popular areas in Tokyo with various aspects such as a downtown area

An especially harmonious addition is the Kaweco leather pouch in the colour Tender Mint

Fine point roller cartridge or medium or fine point fibre cartridge

While researching shut-off valves for retractable pens

Gravitas Quark Ultem Nib:EF • Guilloché engraving milled usingThe Quark is a pocket fountain pen that reimagines compact convenience without sacrificing performance. Crafted from ULTEM resin, a high performance polyetherimide (PEI) thermoplastic, this material is commonly used in the production of circuit boards, sterilisation of medical equipment, and, notably, aircraft components. Known for its exceptional strength, stiffness, and broad chemical resistance, ULTEM is a premium material reserved for highly