Pen Type-B

The iconic precision pen and ruler sleeve. Machined from stainless steel with ultra-high tolerances creating a pneumatic seal. When you pull the pen from its sleeve, it makes a satisfying popping sound. Added to Cooper Hewitt National Design Museum's permanent collection in 2023.

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.

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.

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

The classic machined pen in solid brass that develops a beautiful patina over time. Compact design with threaded cap and Pilot G2 cartridge compatibility.

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

Bolt-action pen with smooth engagement action, fully machined body and clip, designed for optimal balance and fidget-friendly operation. Accepts Pilot G2 cartridges.