These are button lock style attachments (plastic button on the neck of the attachments). This is a replacement 3 piece attachment set designed to fit most all Hoover Canister Vacuum Cleaners which use the button lock design. Generic aftermarket tools to fit Hoover Part Numbers; 48414073, 43414144, 38614029 or 43414057 Includes: 1 Generic Designed to Fit Hoover Canister Bare Surface Floor Brush (for Part 48414073), 1 Generic Designed to Fit Hoover Canister Dusting Brush (fits Part 43414144), and 1 Generic Designed to Fit Hoover Canister Upholstery Nozzle and Stair Tool (Part 38614029 or 43414057) These High Quality Non OEM Replacement Parts