Ensure your favoured writing instrument continues to perform flawlessly with the cross refill ballpen medium. This essential blue ballpoint refill is meticulously engineered for all cross ballpens, guaranteeing a consistently smooth and precise writing experience thanks to its precision roll ball mechanism.maintain your cross pen's peak performance effortlessly with this genuine replacement. Continue to savour premium writing quality without the necessity of replacing your entire pen. This compact and convenient refill is the ideal solution for keeping your cross pen ready for immediate use, easily replenished with an online purchase.features and benefitsgenuine cross replacement ensures optimal performancemedium point type suitable for everyday writing needsblue ink provides professional clarityprecision roll ball mechanism ensures smooth flowdesigned for all cross ballpens for universal fitextends the life of your premium writing instrumentspecificationsassembly not applicable