Hello, thanks for looking ar my listing. The item for sale is for a Henry hoover to Makita B04555 dust extractor converter. This allows for cost effective dust extraction with the trusty site vacuum. This attachment is 3D printed out of a flexible rubber like material called TPU and is very durable. The listing is for the attachment only, the Sander is not included. Check out my other items as I have other attachments for different tools and dust extractor as well plenty of other accessories.