Price is per caliber. Sold individually and separately, Each kit comes with complete set of dies (including crimp die), with dillon conversion and change kits for Dillon 550. One kit is 38/357 (RCBS dies). The other kit is 45ACP (Dillon dies - new). New price is about $340 per caliber. Will sell 38/357 kit for $160, and 45ACP kit for $190.