There are two versions of piston rods for hongdian piston fountain pens. Please check the diagram to purchase the matching piston rods for your piston fountain pens.

Easy to replace the piston system with rods and wrench include. You can also refer to the video instruction.

Please feel free to contact us if you are not sure which version to purchase.

Package Included: 2 x Rods and 1 x Wrench

Notice: These accessories are for Hongdian piston fountain pens only.