Surefire Writing Pen I EWP-01 Black Everyday Carry When Suunto Observer is used

When Suunto Observer is used as an altimeter

Capacity (L): ~ 750

Nominal voltage: 3

At only 1 lb

Use with compatible gym cardio equipment

Surefire Writing Pen I EWP-01 Black Everyday Carry When Suunto Observer is usedThe SureFire Pen boasts a rugged aerospace grade aluminum body with an ultra durable Mil Spec Type III hard anodized finish. This retractable tip pen is appointed with a tumble polished stainless steel tip, tailcap, and heavy duty pocket clip. The sculpted tailcap features a rounded window breaker ready for emergency use. The SureFire Pen comes with a high performance Schmidt Technology easyFLOW ink cartridge, but adjusts to accept virtually any