Tombow OBJECT XL, Ballpoint Pen with Pressurized Ink for Active Lifestyles, Silver (55051) Rugged ballpoint pen for active lifestyle and all-terrain use Pressurized cartridge - write upside down or even on WET paper! Compact 4" barrel extends to a comfortable 5" for writing. Premium Tungsten cartridge - Black Ink, Fine point, 0.7mm Refillable with Tombow Ballpoint Pen Refill 55584