Jinhao Size 6 Fountain Pen Feed/Tongue.
To fit Jinhao X450, X750, #159, #650, #1200, and many more models of pen.
Replacement feeds are handy for ink switching or feed modifying.
Feed circumference: 6mm. This may fit other pen models such as TWSBI, Sailor, Baoer, Wing Sung, HERO and Yiren but I cannot guarantee this per model.
No gift box or pouch provided. Full list of compatible pens available in 'Guides'.