Inner diameter is a standard 1 1/4Inch (32mm) and 1 3/8Inch (35mm) size for most vacuum The product is new and has premium quality,Made of high quality material, and easy to use Easy to remove and replace as part of routine maintenance This product keeps your vacuum operate at performance The brush take good care of house floor and furniture Colour:As Shown Material:Plastic Package Contents: 1 * floor brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.