18pcs Lens Filter Step Up Down 37~82mm 82~37 Ring Adapter For Canon Nikon Camera Metal
9 pieces of step-up rings
( 37-49mm 49-52mm 52-55mm 55-58mm 58-62mm 62-67mm 67-72mm 72-77mm 77-82mm )
9 pieces of step-down rings
( 82-77mm 77-72mm 72-67mm 67-62mm 62-58mm 58-55mm 55-52mm 52-49mm 49-37mm )