MAGIC RING SET MODEL MH -72 SERIES MAGIC RING SET CONSISTING OF 67, 62, 58, 55, 52, 49MM PLUS A DOCKING RING CAN BE USED IN MANY DIFFERENT WAYS CONSIDERED ALMOST UNLIMITED AS IT CAN BE USED EITHER INDIVIDUALLY OR IN COMBINATIONS THIS MAGIC RING SET ALLOWS USE OF 72MM FILTER WITH MOUNT OF 67, 62, 58, 55, 52, 49mm BE SURE TO SEE ATTACHED INSTRUCTION SHEET FOR SPECIFICS