When it comes to everyday carry essentials, few tools offer the tactile satisfaction and enduring utility of a masterfully engineered titanium writing instrument.

San Francisco’s legendary tactical outfitter Triple Aught Design (TAD) has teamed up with the machining virtuosos at Nottingham Tactical to deliver the pinnacle of pocket-sized craftsmanship: the Triple Aught Design TiButton Pen Right Hand Single Lock Topo Edition.

Born from two years of painstaking development following the wild success of the TiClicker, this precision bolt-action pen represents the absolute zenith of American-made EDC hardware.

Priced at $325 (~£250), this all-titanium pen elevates everyday note-taking into a high-grade mechanical art form.
Precision Machined Titanium & Single-Lock Security
Unlike mass-produced stationery, every single component of the TiButton is fully machined and hand-assembled in-house by Nottingham Tactical—right down to the internal deployment mechanism itself.

Engineered specifically for right-handed users who demand absolute pocket security, the Single Lock variant deploys effortlessly by depressing the top clicker and retracts smoothly with a press of the side button.

A heavy-duty internal spring delivers a crisp, audible snap upon retraction with the buttery mechanical feel that gear purists have come to expect.

From the tip and body to the plunger assembly, pocket clip, and button, the entire chassis is constructed from Grade 5 titanium. Weighing in at a perfectly balanced 1.5 ounces (42.5 grams) with a compact 5-inch length and 0.40-inch diameter, the pen offers substantial strength without dragging down your shirt pocket or pouch.
Labour-Intensive Midnight Bronze Topo Finish
What truly sets this limited Topo Edition apart from standard titanium pens is its eye-catching, labour-intensive “Midnight Bronze” aesthetic.

The titanium body features TAD’s iconic topographic pattern deeply milled along its length, over which a dramatic two-tone Cerakote finish in rich bronze and deep black is meticulously applied.
“By pairing an all-Grade 5 titanium build with a custom single-lock mechanism and two-tone Cerakote topographic finish, TAD and Nottingham deliver a $325 EDC writing masterpiece.”
Every pen carries subtle, unique character variations due to the custom coating process. The top of the clicker face features the Nottingham name finely milled into the metal, while the iconic TAD logo is proudly engraved lengthwise along the barrel, serving as a subtle mark of tactical quality.
Snag-Free Pocket Ergonomics & Parker Refill Compatibility
Designed for seamless daily carry, the internal-mounted titanium pocket clip sits high on the pen body.

Coupled with an intentionally low overall clicker height, the TiButton slides effortlessly into jeans pockets, field notebooks, or MOLLE webbing without catching on fabric.
| Feature Specification | Tactical & Mechanical Detail |
| Retail Price | $325 USD (~£250 GBP) |
| Construction Material | 100% Grade 5 Titanium (Body, Clip, Tip & Mechanism) |
| Coating & Finish | Midnight Bronze Two-Tone Cerakote over Milled Topo |
| Deployment Mechanism | Custom Right-Hand Single-Lock Clicker & Side Release |
| Dimensions & Weight | 5.0″ Length × 0.40″ Body Width (1.5 oz / 42.5 g) |
| Refill Compatibility | Black Ink Parker-Style Cartridges (Made in USA) |
Outfitted out of the box with a smooth-flowing black Parker ink cartridge, the Triple Aught Design TiButton Pen Right Hand Single Lock Topo Edition ($325) is an over-engineered, lifetime writing companion for those who appreciate true mechanical perfection.
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