Material: Vacuum cleaner hose is made of high quality soft PVC with precise fit, durability and long service life. According to your own needs, you can cut and use four specifications and sizes. Scope of application: Bosch jigsaw, circular saws, jigsaws, chop saws, belt sanders, random orbital sanders, eccentric sanders, etc., reducers of various types of vacuum cleaners power tool accessories Suitable for Many Brands: Suitable as Henry hoover vacuum cleaner adapter, Karcher adapter, Festo tool adapter, Makita adapter, Caramba, Workzone, Parkside, Bosch, Rupes, Einhell, Nilfisk etc. Dimensions: the first part outer diameter 25mm / 0.98in, inner size 22mm / 0.86in, second part outer diameter 30mm / 1.18in, inner size 28mm / 1.1in, third part outer diameter 34mm / 1.33in, inner size 31mm / 1.22in , the outer diameter of the fourth part is 42mm / 1.65in, and the inner size is 35mm / 1.37in Easy to Use: The vacuum cleaner attachment is easy to use, no other tools are needed to connect the hose to the device or vacuum cleaner directly, allowing you to clean more easily and finely