Wheel Assembly fits on bottom of vacuum and is used to for height adjustment
Replacement Hoover wheel assembly fits Hoover vacuum cleaner models C1701-900, C1703-900, C1703-920, C1705-900, C1712-900, U5402-900, U5403-900, U5403-950, U5409-900, U5409-955, U5409-990, U5415-900, U5416-900, U5420-900, U5421-9RM, U5423-900,...