Duke Asian Calligraphy Fude Nib Fountain Pen Medium to Broad Nature Mother Pearl on Cap with Pen Pouch sketching Art Drawing Signature Pen Gift Set The Two-tone Iridium bent nib is curved for fude calligraphy . You can write from fine to thick broad by varying the writing angle. Some customers also call this as italic calligraphy fountain pen. Take International standard Cartridge ( compatible with ASIN B00W01VCJA ) Capped length 135mm ; Posted length 137mm ; Diameter 13mm ; pen weight 40g ; Cap : Push Type Package : One pen with removable converter for bottle ink and one pen pouch 100% Satisfaction Gurantee : If there is any reason you do not like the pen ,just send us a message ,we can offer you a full refund or replacement !