Compatibility: This is a perfect case for the 115mm objective module of your ATX/STX spotting scope. Close-Fitting Stay-On Case: The close-fitting stay-on case protects the scope against impact even in demanding conditions. Functional Protection: Innovative and perfectly tailored accessories not only enhance the capabilities and functionality of your Swarovski Optik spotting scope, it also help to protect it. Material: The case features a durable Cordura exterior with a soft padded interior