Silver Ballpoint Pen Pocket. The Pocket ballpoint is a shorter pen measuring approx 12 cm in length. Ideal for a lady or someone who prefers a smaller pen. The pocket ballpen has a twist action mechanism. The upper and lower part are made of 925 sterling silver and have a pinstripe pattern, and an engraving panel alongside the clip. This ballpen is fully hallmarked. The Pocket ballpoint has a special gas pressurised refill and will write upside down, on wet or greasy paper and even under water! The Pocket ballpoint is presented In a luxury gift box including 10 year guarantee and silver cleaning cloth . See below for matching fountain pen, refills and accessories.