Fotodiox 7 Step Down Ring Filter Adapter Set, Anodized Metal, 77-72mm, 72-67mm, 67-62mm, 62-58mm, 58-55mm, 55-52mm, 52-49mm Precision made from premium-grade aluminum Anodized matte finish to compliment your camera Rings included are: 77-72mm, 72-67mm, 67mm-62mm, 62mm-58mm, 58mm-55mm, 55mm-52mm, and 52mm-49mm Includes a 24 month manufacturer warranty