JBC OB5000 - Sealing Plug for B-NANO Handle
The JBC OB5000 is a sealing plug for B-NANO handles. This plug is designed to prevent undesirable flux or particles from entering the tool.
Its usage is highly recommended for intensive applications when soldering in environments exposed to FOD or for applications where the soldering iron works close to a vertical position.
How to install
The OB5000 has a thread for screwing it onto the handle.
To replace it, unscrew the sealing plug, replace it with a new one and screw it in.