20mm Rail Mount Extension Riser High Mount 2-Piece Set for Airsoft

This is a mount base compatible with 20mm rails.
It is a high mount type that raises the height, and can be used to adjust the position of scopes and dot sights.
Comes as a set of two identical items.
There are minor scratches from use, but no issues with functionality.
This is a used item, so please only purchase if you understand this.