Quality: The vacuum hose is made of high quality soft plastic with precise fit, durability and long service life. There are four specifications and sizes available for you to cut and according to your own requirements. Scope of application: for jigsaws, circular saws, jigsaws, chop saws, belt sanders, random track sanders, etc., reducers of various types of vacuum cleaners Suitable for many : Suitable as for vacuum adapter, adapter, tool adapter, adapter, , Workzone, , , , etc. Dimensions: the first part outer diameter 25mm / 0.98inch, inner size 22mm / 0.86inch, second part outer diameter 30mm / 1.18inch, inner size 28mm / 1.1inch, third part outer diameter 34mm / 1.33inch, inner size 31mm / 1.22 inch , the outer diameter of the fourth part is 42mm / 1.65inch, and the inner size is 35mm / 1.37inch Easy to : The vacuum attachment is easy to , no additional are required to the hose directly to the device or vacuum , so you can clean more easily and finely colour: black Material: plastic Package Contents: 5 x vacuum adapter Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.