Our 0.5mm retractable gel pen RX-500 is the perfect combination of convenience and performance. The retractable design eliminates the need for a cap, while the comfortable rubber grip ensures a comfortable and secure writing experience. The clear barrel allows you to easily monitor the ink supply, so you'll never be caught off-guard by running out of ink. With its reliable performance and thoughtful design, this gel pen is an excellent choice for anyone seeking a quality writing instrument that is both practical and stylish.