- Brand: Zpacks - Model Name: Titanium Trail Pen - Material: Titanium - Size: Coin-sized (approx. 2.5cm) Thank you for viewing. "Memories are made to be recorded in ink" - designed for hikers with this belief, this is an ultra-lightweight, highly durable custom pen. The Zpacks Titanium Trail Pen is a recording companion worthy of gear that can withstand a thru-hike. The precision-machined channel system securely holds the pen. Ideas, trail notes, sketches, and records of discoveries can be written smoothly. ※ The coin in the image is not included. Features: • Comfortable for both left-handed and right-handed users • Can write even when wet (safe for rainy or humid environments) • Pen body length: 8.26cm (3.25 inches) • Includes a small key ring (approx. 7g) and two ink cartridges (approx. 7g each) • A small hole at the pen's end allows for the attachment of Zpacks' ultra-small oval carabiners or mini S-biners. Easily attach it to a backpack, etc.