Brass hexagonal bolt pen with a 13cm length and 11mm diameter, featuring a six-angle machine signature retro design and available with a 0.5mm pen head in brass natural colour or retro black ink refill for everyday writing and sketching.
Brass Hexagonal Bolt Pen: A 13cm Retro Writing Instrument with a 0.5mm Tip

This brass hexagonal bolt pen combines functional design with a distinct aesthetic for everyday writing tasks. Its core appeal lies in the tangible quality of its solid brass construction and the precise line delivered by its 0.5mm pen head. The pen's 13cm length and 11mm diameter create a balanced instrument suitable for extended use in journals, notebooks, or during meetings. The six-angle hexagonal shape, finished in a machine signature style, provides a secure grip and a retro visual character that stands out from standard cylindrical pens. With a choice between brass natural colour or retro black refills, it caters to different visual preferences without compromising on its primary role as a reliable writing tool.
Features and Construction

The pen's design is defined by clear, measurable specifications and a single-material build. Its construction focuses on delivering a specific writing experience through its form and nib size, rather than complex mechanical features.
Material and Build
The shell is made entirely from brass, giving the pen a noticeable weight and a cool metallic finish. This material choice contributes to the pen's retro machine aesthetic and solid feel in hand. The construction is centred around the hexagonal bolt design, which forms the pen's primary structure and grip surface. No additional materials or coatings are mentioned in the source, keeping the build straightforward and focused on the brass element.
Size and Practical Fit
With a total length of 13 centimetres, this pen offers a standard full-size format that is comfortable for most hand sizes. The outer diameter of approximately 11 millimetres creates a barrel that is neither too slim nor overly thick, aiming for a balanced grip. These dimensions make it suitable for use in standard pen holders or carried in a bag or briefcase. The hexagonal profile aids in preventing the pen from rolling on flat surfaces, adding a practical benefit to its distinctive shape.
Uses and Placement

This pen is designed for general writing purposes, with its specifications supporting clarity and durability in everyday scenarios. Its aesthetic also allows it to fit into various environments, from professional desks to personal study spaces.
Event or Professional Use
The pen's retro brass design and substantial feel make it suitable for use in settings where presentation matters, such as signing documents in an office or taking notes during client meetings. The 0.5mm tip produces clean, professional-looking lines ideal for detailed entries in logbooks, planners, or precise annotations. Its non-rolling hexagonal shape is practical on a desk during work, keeping it accessible without clutter.
Everyday Home Use
For personal use at home, this pen is well-suited for journaling, sketching, or everyday list-making. The fine 0.5mm nib allows for writing in smaller spaces, such as the margins of books or in compact diaries. The brass construction offers a durable option for a household writing instrument that can withstand regular handling. Its distinctive look also makes it a potential gift for stationery enthusiasts or those who appreciate utilitarian items with character.
Benefits and Buying Value

The value of this pen stems from its combination of defined physical specifications, material choice, and focused design. It offers a specific writing tool rather than a multi-function device, which clarifies its role for the user.
Reuse and Low Maintenance
The pen is designed as a refillable instrument, with the source indicating available refills in two colours. This extends its usable life beyond a single ink cartridge. The brass shell is inherently robust and, with basic care such as occasional wiping, should maintain its appearance with regular use. Its simple construction with few moving parts suggests minimal maintenance is required beyond replacing the refill when needed.
Why Choose This Product
Choosing this pen means selecting a writing instrument with clearly stated dimensions (13cm length, 11mm diameter), a specific nib size (0.5mm), and a defined material (brass). Its hexagonal retro design provides both a visual differentiator and a practical anti-roll feature. It is a straightforward option for those seeking a full-size, metallic pen with a precise tip for everyday writing, without extraneous features. The choice between brass natural and retro black refills allows for slight personalisation of the writing experience.





