Step Up Ring, K&F Concept 22pcs Filter Ring Set 11pcs Step Down Adpater Ring + 11pcs Step Up Rings for Filters 52-55MM 55-58MM 72-77MM 77-82MM 58-55MM 62-58MM 67-62MM 72-67MM 77-72MM Kit Includes: K&F Concept 22pcs (26-30MM,30-37MM,37-43MM,43-52MM,52-55MM,55-58MM,58-62MM,62-67MM,67-72MM,72-77MM,77-82MM,30-26MM,37-30MM,43-37MM,52-43MM,55-52MM,58-55MM,62-58MM,67-62MM,72-67MM,77-72MM,82-77MM Step Down Step Up Ring). Converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters). Environmentally friendly material made of aircraft grade magnalium. Great tightness, no wobbling or cross-threading. Compatible with the Canon, Nikon, Sigma, Tamron Camera lens.