Give your scope the TLC it deserves. The Vortex(R) Sure Fit Rifle Scope Cover is a simple, inexpensive way to protect your scope from the elements. Waterproof, weatherproof design is easy to put on and keeps your scope clean from dirt, dust and debris. Waterproof, weatherproof design is easy to put on Fits most rifle scopes measuring 14-15.5"l. with a bell diameter of 2.25" or less