1STRONG AND DURABLE: Made of ABS material, it can be used for a long time without easy wear or damage, ensuring stability and durability. 2SUPERIOR GRIP AND FLEXIBILITY: Help the vacuum cleaner travel smoothly on different floors and provide good grip to ensure cleaning effect and flexibility of operation. It also has good anti slip properties to avoid slipping and tilting. 3QUIET DESIGN: The vacuum cleaner side wheel attachment features a specially designed vibration dampening structure that effectively reduces friction and noise generation. 4EASY TO INSTALL: It is very easy to install and replace, no need for maintenance skills. You can easily do the installation by yourself, saving time and effort. 5APPLICABLE MODELS: This drive wheel fits vacuum cleaner models for PROSCENIC 800T, 820, 830, 850P and for LIECTROUX C30B to ensure perfect fit and compatibility.