Neewer® Rubber-coated Metal Camera Lens Filter Remover Wrench Set Kit(Package of Two), Fit 77-82mm Lens Thread for Canon,Nikon,Sony,Pentax,Fujifilm,Olympus,Panasonic and other DSLR Cameras Feature: Loyal to its duty, it can remove your stuck filters from your lens or even, help fixing your filter when you're adjusting other filters. Two filter wrenches could be used together to remove filters that stuck to each other. Filter wrench with a 'heart' of metal, durable enough to sustain breakage that often happens with plastic wrench.
eBay