【Product Description】 The first image is the product. This is a set of tires and parts for the soft roller head. 【Compatible Models】 Compatible models are those equipped with a soft roller cleaner head. It may also be compatible with other models. (If you are considering replacing the tires on other models, please check the following warranty details.) 【Tire Size】 Outer diameter: 12.4 mm Inner diameter: 3.5 mm Width: 9.85 mm Please refer to the blog above for how to remove them. Flooring and tatami mats can be damaged if the tires deteriorate, so they need to be replaced regularly. 【Replacement Method】 The replacement method is explained in detail in the blog, so please be sure to check it before purchasing. You can search by entering the following URL↓ in a browser such as Yahoo or Google: (URL: fuku-channnel.com) Once you find the blog, enter "Dyson" in the site search to display the relevant article. 【Warranty Details】 If you are considering replacing the tires on a model other than the compatible models, the warranty may apply if you do the following two things (the warranty applies to compatible models): 1. Please contact us with your model in the comments. 2. Please provide a photo of the back of the head (a photo showing the tire part). The warranty will only apply if we determine that it can be installed. If the warranty is applied and you are unable to install it, please contact us and we will refund your money. 【Replacement Frequency】 We recommend replacing them within one year. 【Current Manufacturer Repair】 If you request a repair from the manufacturer, a minimum labor charge of 5,000 yen will be incurred if more than two years have passed since the purchase.