To improve other brand holders like Lee, NiSi or Formatt Hitech and match to H&Y Magnetic Filter System.
A small hexagon wrench, two screws and springs are included for installation.
By adding the H&Y magnetic filter frame to your filters you bring additional security to handling and performance usage in the field. Reduce fingerprints around the border of the filter.
Quick- Snap filters into place on the front of the magnetic filter holder
Stack mount multiple filters together with ease and move them into position.