2 Pcs Metal Round Screw in Lens Filter Stack Caps Protector Case 77 mm Black

portable: the metal covers make your filters more organized, easy to carry and they only takes up a little space, very convenient. stack caps: these lens filter caps with same size are stackable, just screw your filters together, then screw the stack caps on the top and bottom of your stack. universal: filter stack caps are a convenient way to organize your camera lens filters, 7 sizes optional, fits for most lens filters, such as uv cpl filters. lens filter protection: lens filter protector case could keep your filters from dust, scratches and fingerprints while not in use. high quality: the screw in lens filter stack caps are made of high quality aluminum alloy, wear resistance, very durable.