Custom fit for maximum protection, hunters and shooters have trusted Butler Creek scope covers for decades to protect their valuable optics. Their Tactical One-Piece Flip Caps provide a positive fit to a wide range of optics. The flexible collar forms a friction mount that anchors them to your optic. They feature a flexible lid that conveniently folds and locks back for ease of use. When closed they keep out dust, dirt and weather ensuring a clear view no matter what the conditions. With fast flip tabs and a silent one piece flex design, you'll be ready to place that perfect precision shot in an instant, with out spooking game. Protect your optics and maximize your hunt with the Tactical One-Piece Flip Caps from Butler Creek! Specifications and Features:Butler Creek Tactical One-Piece Flip Caps 43031Objective Lens Scope Cover Flexible Multi-Fit Collar Size 30, 31 Fits 1.960" to 1.998" (49.8mm to 50.7mm) Outside Diameter Objective Keeps dust, dirt and weather off lens surfaces Flexible lid easily folds up for use Fits multiple scopes Polymer Black