Chronicle your greatest adventures with Power Tank's rugged, ready-for-anything design. A pressurized ink tank delivers clean writing in the most extreme conditions. Pressurized ink refill works at odd angles and in cold weather or wet conditions 1.0mm pens feature a bold tip that delivers outstanding readability These ballpoint pens have a textured rubber grip for work in harsh weather The best rugged writing tool for the jobsite - whether at your desk or out in the elements