Unlike whimpy cheapy swivel cuffs that break way, way too fast . . . this is the "Ford Pickup" of backpack vacuum swivels. Makes it faster and easier to vacuum: corners, wood floors, tile floors, concrete floors, under chairs and tables, etc. Make the nasty no-so-fun job of vacuuming more friendly and fast . . . and save the work-out for the gym, not your job. Top Choice: Hospitals, Class A Offices, Resorts & Hotels, Airports, Nursing Homes, Stadiums, Theaters, Restaurants, Churches, Universities, Fitness Centers, Schools, Manufacturing, Museums, Retail Stores, Amusement Parks, Military, etc. 6 replacement backpack vacuum hose swivel cuffs per kit. Buy 4 -- Get 2 Free bulk pack. When your image and reputation matters more . . . .