[Quick Filter Switching] Easily convert an 86mm screw-in filter into a magnetic attachment for rapid filter changes. [Premium Aluminum Alloy] Crafted from aviation-grade aluminum alloy, sturdy, and precise fit for professional results. [Easy Installation] Standard thread base ring with magnetic top ring for secure attachment of screw-in filters without loosening. [No Light Leakage] Ensures a tight fit between the filter and camera, preventing light leaks for top-notch photography. [Lightweight Design] Sturdy yet lightweight aluminum alloy adds minimal weight to your camera, providing convenience for photography projects.