Wrench for Filter Retaining Rings

Suitable for lens sizes: 5-140mm / 0.2-5.5inch

Minimum Opening Width: Approx. 10mm / 0.4inch

Maximum Opening Width: Approx. 110mm / 4.3inch

Please Note that some filters such as Astronomik do not have notches in their retaining rings and this wrench will not work with them.  Most other manufacturers do have the notch.