K&F 11 in 1 Step Down Ring Set

11 in 1 Step Down Ring Set. Kit Includes: Generic Metal 11pcs Step Down Ring 30-26MM,37-30MM,43-37MM,52-43MM,55-52MM,58-55MM,62-58MM,67-62MM,72-67MM,77-72MM,82-77MM. * Kit Includes: Generic Metal 11pcs Step Down Ring 30-26MM,37-30MM,43-37MM,52-43MM,55-52MM,58-55MM,62-58MM,67-62MM,72-67MM,77-72MM,82-77MM * Compatible with the Canon, Nikon, Sigma, Tamron Camera * Superfine frame polished with strict surface treatment * The first number is always the lens thread size, the second number is the filter size of the accessory. If the first number is smaller, it's a step-down. * We engaged in Camera Accessories Industry for many years. Promise high quality, competitive prices and excellent customer service.