The Paper Mate Kilometric ballpoint pen, in blue, reference 2187702, is a classic ballpoint pen from the Paper Mate brand, one of the best-known worldwide in writing materials. The Kilometric line is recognized for its long writing autonomy and ink reliability, without the additional mechanisms of more recent lines like InkJoy, making it a more traditional option for those already accustomed to this model. The blue color is a preferred choice for those looking for a simple and economical ballpoint pen for prolonged daily use, whether at home, school, or the office.