[Areas of Application]- Areas of application: for jigsaw, circular saws, jigsaws, chop saws, belt , eccentric , etc., reducers of different types of vacuum cleaners. [Note]- The workshop vacuum sleeve covers everything from 23mm to 50mm inside diameter. In addition, you can easily cut it individually with scissors or a cutter knife - connection accuracy guaranteed for a wide variety of wet and dry vacuum cleaners, industrial vacuum cleaners and workshop vacuum cleaners. Colour:Black Material:plastic Size:The smallest inner diameter: 23mm; the largest inner diameter: 50mm Package Contents: 6 * Vacuum Hose Adapter Only the above package content, other products are not included. Note: Light 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.