The Story
This Wing Sung metal wrench is designed for safe disassembly and maintenance of the Wing Sung piston or vacuum filling mechanism. Crafted from durable metal, it engages the piston unit securely so you can clean, lubricate, or repair your fountain pen without damaging the barrel or internal parts. A compact, pocketable size makes it easy to store in your pen case or tool kit for regular servicing of multiple pens.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
This Wing Sung metal wrench is designed for safe disassembly and maintenance of the Wing Sung piston or vacuum filling mechanism. Crafted from durable metal, it engages the piston unit securely so you can clean, lubricate, or repair your fountain pen without damaging the barrel or internal parts. A compact, pocketable size makes it easy to store in your pen case or tool kit for regular servicing of multiple pens.
