RedMax 580943306 Blade Spindle for CZT60X Mower - This Blade Spindle is for use with the RedMax CZT60X Mower. The RedMax CZTx series was designed with commercial landscapers in mind. With a focus on commercial engines, heavy duty integrated drive systems, cast iron components, heavy gauge steel decks and robust frames, RedMax is designed to stand the test of time.