Protect your valuable optics with the Kahles 52mm Flip-Up Cover for the K18-2 and the K328. This robust cover is designed to shield your scope's ocular lens from dust, debris, and harsh weather conditions. The flip-up mechanism allows for quick and easy access to your lens, ensuring that you can react swiftly in any situation. Constructed from durable materials, this cover provides long-lasting protection and is an essential accessory for maintaining the clarity and performance of your Kahles riflescope.