Pen Type-A

A minimal everyday pen over-engineered to last generations. Available in titanium (half the weight of brass) and brass/stainless steel. The precision-machined tolerances create a piston-like effect - the pen falls slowly into its sleeve and makes a popping sound when pulled out quickly.

A flat, durable bookmark pen at 3.5mm thin. Perfect for everyday carry in a pocket or notebook. Precision-machined from grade 5 titanium with bent spring steel that protects the tip and flips around to snap into writing position. Uses Pilot Hi-Tec-C Coleto ink that never dries or leaks.

A single-use launch clock counting for 1 million days (2,738 years). Pull the pin to burn your launch time into silicon forever. Features ±2.5ppm accuracy, 150+ year battery, over-engineered to outlive you. Suspended in borosilicate glass.

A Casio F-91W movement cast in transparent resin. No buttons, no functions - just time. Set to your timezone before casting, becomes fully waterproof with 10+ year battery. Celebrates the F-91W's unchanged design since 1989.

303 stainless steel construction offers excellent durability and a refined brushed finish. Compatible with Parker-style refills.

The Original pen design in durable stainless steel with precise machining and comfortable in-hand feel.

Solid copper body that develops a rich patina over time, making each pen unique to its owner through daily use.

The signature Inventery pen in raw brass that develops a unique patina over time. Features their iconic bolt action mechanism for satisfying tactile deployment.

Grade 5 titanium construction for exceptional strength-to-weight ratio. The bolt action mechanism has been refined for even smoother operation in v.02.

Compact single-body twist pen at the intersection of aerospace parts and precision tooling. Compatible with Parker style refills.