We CNC'd each pen in the USA from 6061 aerospace grade aluminum and anodized each pen to provide a durable finish. For the ink, we used the highly regarded Schmidt 4889M ball point pressurized ink refill allowing you to write upside down without any change in ink flow. (also compatible with Fisher ink refill SPR4) Dango Pen Features: Made in USA CNC'd 6061 aerospace grade aluminum Anodized finish for a long lasting, durable coating Schmidt 4889M black ink refill (Made in Germany) Slotted end, allowing attach points for keyrings, lanyards, etc. Silicone o-rings for grip The dango pen includes a jet black paracord lanyard for the barrel's slotted end as well as a 48 page P01 notebook Multiple colored paracord lanyards available here:https://www.dangoproducts.com/collections/all/products/cobra-weave-95-lanyards
