KANI 72mm Magnetic Quick Release Magnetic Holder and Adapter Set Knurled Filter Set with Black Aluminum Filter Part Number 816832 S72-M72, Anti-Slip

Convert your existing screw-in circular filter into a magnetic one Knurling on the outer periphery makes it easy to put on and take off. Product Name: Magnetic Holder and Adapter set S72-M72 (Part Number: K19207) External dimensions: φ75mm, thickness 5mm (adapter part 2mm) / Weight: Approx. 13g Compatible lenses: Filter frame diameter 72mm