K&F Concept 55mm Magnetic Lens Filter Caps with Thread

【High Quality】: The cap is made of aircraft-grade aluminum alloy, strong and impact resistant. 【Protect the filter】: This magnetic cap can be put on or removed only takes 1 second. It protects the filter from scratches. 【2 in 1】: It is a 2-in-1 cover that combines the function of magnetic protection and the function of a cap with screw thread. This cap allows you to install on the filter (traditional screw-on or magnetic filter) or lens directly. 【Compatible with magnetic filters from K&F Concept】: This filter protector is only available for magnetic filters. K&F Concept. 【Compatible with 55mm】: This filter cover is compatible with all filters with a diameter of 55 mm. ▲▲▲WARNING: If you want to put this cap on K&F Concept Variable ND Filter (screw or magnetic), choose a larger size. For example, please choose a cap of diameter Ø55mm to mount on a Ø52mm ND filter.