The Blue CRKT Techliner Pen is a pen that stands out. It'ssimple and not cumbersome, yet distinctive in its own right. Constructed of6061 aircraft-grade aluminum, it is built to last. The Schmidt MegaLine 4889 Mrefill black ink cartridge is replaceable and refillable. A fantastic andunique feature of the Techliner is its magnetic ends, which serve to secure thecap or attach the pen to different surfaces, making it ideal for all kinds ofwork environments. You're sure to notice this tool is not just "okay"or even "good", but great.