Neewer Black Ridged Interior Camera Lens Filter Wrench Kit (4 Pieces) for Filters 48-58mm, 62-77mm in Diameter Fit most common filters 48-58mm, 62-77mm in diameter; step-up & step-down rings 77mm 72mm 67mm 62mm 60mm 58mm 55mm 52mm 49mm 48mm (48-58mm, 62-77mm). Use these wrenches to remove stuck or stubborn filters from lenses or each other. Lightweight, Flexible Plastic Construction Use one wrench to remove stuck filters from lenses. Use both wrenches to seperate stuck filters from each other.