Pilot's V5 RT is refillable and has a click mechanism unlike Pilot's traditional V5. The durable tungsten ball retains its shape and is extremely durable. You will be amazed by the pen's precision, long life, simple and elegant design. The ergonomic grip gives you a wonderful writing experience. Excellent writing comfort and precise lines thanks to the free-flowing and vibrantly colored liquid ink. • Hi Tecpoint for ultra-precise lines with fantastic writing comfort. • An ergonomic pen with a rubber grip for better control and increased writing comfort. • Refillable product. • Retractable tip: a pen ready with a click, no more lost caps. • Archival-safe ink.