Best EDC Pens: Olight Open Mini vs Fisher Space Pen Bullet

Introduction

EDC pens are designed to be handy first and comfortable second. Most are four inches or less, small enough to disappear into a pocket, a pouch, or a nook in a vehicle. Many use pressurized Fisher Space Pen style cartridges, which means they write on a lot of surfaces and tend to perform when other pens give up, even if the line is not the most fluid. Here we look at two of the standout options: the Olight Open Mini and the Fisher Space Pen Bullet.

Why Carry an EDC Pen

A standard pen has one unavoidable weak point: the cap. You either cap and uncap it constantly, clip it loosely somewhere it does not hold well, or risk marking your pocket. The best compact EDC pens solve that with retractable or bolt-action mechanisms, no separate cap to drop, and pressurized cartridges that write reliably in awkward conditions.

Olight Open Mini

The Olight Open Mini is a compact bolt-action pen with a twist: it has a built-in flashlight. At about $12.95 retail, and often cheaper during Olight’s frequent sales, it is an affordable way to add a light and a pen to your carry in one piece. The bolt action itself is a genuinely solid design with very little that can go wrong, unlike some click mechanisms that strip out or fail under pressure. The barrel is drilled with holes that cut weight, though that does mean dirt and debris can get inside. It ships with an extra refill, which matters if you want to stash a backup in a kit.

If you prefer a plain pen without the flashlight, Olight also offers a simple bolt-action version that takes a very large-capacity cartridge, giving you long-term writing in a small body.

Fisher Space Pen Bullet

The Fisher Space Pen Bullet is the classic compact pressurized-cartridge pen. These pens are fairly heavy, coming in around seven ounces on a pocket scale, so they are better treated as stash pens than ultralight carry. They have a tight closure, though not watertight, and their compact rounded shape means they tend to slide to the bottom of a pocket and sometimes turn sideways. Where they shine is stowage: a nook in a truck, a glovebox, a toolkit drawer. Prices vary widely, roughly from $10 to $100 depending on the finish, and there is even a commemorative Star Trek edition out there.

Ultralight Alternatives and Refill Options

If weight is your priority, the math changes fast. A Fisher Bullet weighs roughly 0.25 ounces versus 0.16 for an ultralight Bic round stick, and a full-size premium pen can hit 1.8 ounces. For a rarely used emergency or EDC kit, some people skip the pen entirely and carry just a pressurized refill cartridge, at roughly 0.1 ounces each. Keep the cap on until needed, since the bare cartridge is fragile, and pop the tip cap off before writing. In the same spirit, small Sharpies are popular as backup candles because of the alcohol solution inside, though lighting one ruins the pen.

Buying Advice

Choose the Olight Open Mini if you want one compact tool that handles both writing and low-light tasks, and you like a mechanism with few failure points. Choose the Fisher Space Pen Bullet if you want a proven pressurized cartridge pen to stash somewhere it will not be bounced around, and you do not mind the weight or the sideways-turning pocket behavior. Either way, keep a pen in your EDC kit along with something to write on; it is one of the cheapest, most useful additions you can make.

Conclusion

The Olight Open Mini and the Fisher Space Pen Bullet both earn their place in an everyday carry setup. One adds a flashlight to a dependable bolt-action pen at a friendly price, the other delivers the classic pressurized cartridge in a pocketable bullet form. Pick based on whether you value the extra function or the stash-anywhere simplicity.