Laser-engraved personalization: Add a name, initials, rank, badge number, or short message — up to 30 characters engraved in brass directly into the matte black barrel. Engraving is permanent and will not fade or wear off Fisher pressurized PR4 cartridge: Writes in zero gravity, underwater, at any angle, in extreme temperatures, and over grease or wet surfaces — performance specs published by Fisher Space Pen for the pressurized PR4 cartridge Non-reflective matte black finish: The matte black coating reduces light reflection — a functional consideration for law enforcement, military, firefighting, construction, and field professionals who carry a pen on duty Click-action mechanism and ink: Medium-point black ink delivered via Fisher's pressurized PR4 cartridge — click to extend and retract the tip. Compatible with Fisher PR4 medium black replacement cartridges Gift-ready presentation: Ships in a Fisher gift box — no extra wrapping needed. Suited for law enforcement, military, firefighter, construction, EMT, or outdoor enthusiast gifts — retirement, promotion, or service anniversary The Fisher Cap-O-Matic Space Pen is a pressurized ballpoint pen in a non-reflective matte black finish with a click-action mechanism. It ships with Fisher's pressurized PR4 medium-point black ink cartridge, which Fisher certifies writes in zero gravity, underwater, at any angle, and in extreme temperatures. The matte black coating reduces light reflection, making the pen suitable for law enforcement, military, firefighting, construction, EMT, and field use where a reflective surface is a concern. Dayspring Pens adds complimentary laser engraving before shipment — up to 30 characters of a name, initials, rank, badge number, or message permanently engraved in brass into the barrel. The pen arrives in a Fisher gift box. A recognized gift for law enforcement officers, military personnel, firefighters, EMTs, construction professionals, and outdoor enthusiasts — at retirement, promotion, graduation from a training program, or a service anniversary.