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Knobloch K1/K2 cover discs
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Knobloch
Knobloch K1/K2 cover disc

The Knobloch K1/K2 cover disc covers the non-aiming eye, enabling the shooter to leave both eyes open, without distracting from the sighting process. The cover disc is 30mm wide, can be turned upwards when not aiming, and is available in black, white and transparent.