808 scope aperture with mounting

Blinder for the non-aiming eye when looking down a scope
Easy to mount and dismount
Only compatible with scopes with a 44mm eyepiece diameter: (3-12x44 Simalux KK50; 4-12x44 Simalux KK50)
Constructed using hard wearing, weather resistant materials
Thumbwheel screw connection means no tools are needed
Extremely lightweight
Made in Germany