This is a new aftermarket non-OEM tiller tine replacement set for some Craftsman, Husqvarna, and Ariens rear tine tillers. It includes 12 of the larger tines and 2 of the smaller cleaning tines. It replaces the following part numbers. Ariens 21546164 Ariens 21546165 Craftsman / Husqvarna 532163499 Craftsman / Husqvarna 532163500. It also replaces the tines on the Husqvarna 584406702 tine assembly (but does not include the brackets). We have access to many additional Craftsman Husqvarna and Ariens parts, so please let us know if there is a particular part that you would like us to list for you. Please let us know if you have any further questions on this item!