It is designed to facilitate the charging of long air guns.
It allows to reduce the charging effort and to manage the charging phase in a easier way.
The shaft will not suffer stress and blowing.
The braces are adjustable to found the correct size for each air gun.
At first, insert the handle with the big hole in the shaft (traction handle), than lean the charging handle in the shaft tip.
Make the first step of charging with the traction handle.
Once the shaft is inserted at 50%, with the other hand take the charging handle and complete the operation.