Duke Bamboo Calligraphy Fude Nib Fountain Pen Confucius Commemoration Pattern Lanxivi Wooden Gift Box (Calligraphy Bent Nib Size) Nib Size : You can write large thick writing ( 1.5mm ) to Medium writing ( 0.7mm ) by varying the writing angle . If you want to write it in fine nib ,you may write with it upside down. Capped length 145mm , Posted length 175mm ,Diameter 16mm & pen weight 63g Ink cartridge : international standard ( Fit ASIN B00W01VCJA ) Package : One pen & gift box as picture shown 100% Satisfaction Guarantee : 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 !