【TC4 Titanium Alloy】Made of 100% Ti-6Al-4V titanium, lightweight but sturdy, the hardness is up to 43 HRC. 【Anodized Color Process】After 6 anodizing processes (production complexity is higher than ordinary titanium products), the exclusive and special production of dazzling style pen body patterns. Strong texture, light weight, scratch resistance, corrosion resistance, no rust, stable coloring. 【Slim Lightweight】The slim size (Length: 143mm, Diameter: 10mm). Weighs only 23.2g (refill included), providing a ergonomic grip during extended writing sessions. 【Bolt Action Switch】Precision CNC machining, secure lock, smooth operation. Functional and stress-relieving. 【EDC Pocket Clip】The way titanium clip keeps deep carry, little from hanging out of your pocket. With 23.2g very light weight and the clip is wide which combines to lessen damage to shirt pockets and avoids having to wear pocket protectors. 【Ingenuity Made by Origin-Joy】Cool pen gadget gift for men and women. 【Package Including】1 pixel style titanium pen, 5 universal gel black ink refills (0.5mm writing line). Origin-Joy Colorful Titanium Alloy Bolt Action Pen, Slim Lightweight EDC Pocket Tactical Pen, Portable Signature Pen With 5 Ballpoint Refills, Cool Gadget Gift (Pixel Style)