The Mares MR12 guide busing tool is used for the installation of the small parts on top of the spring in the first stage body of the Mares MR12.
 
This tool will help the parts slide into place. After this, the rod can be used to slide the circlip in its place.
 
The Mares MR12 guide busing tool is precision machined from aluminum.
 
GTIN: 08720865017624