High quality material - the vacuum cleaner adapter is made of high quality PVC and is used as a suction adapter to connect to the vacuum cleaner hose, very durable, perfect for your dust extraction system . Solves your problem immediately - The circular saw, jigsaw, table saw, eccentric sander has an extra extraction opening, but the vacuum cleaner duct is too large. With our vacuum cleaner, youcan connect grinding machines, circular saws, etc. to shop vacuums. Adaptable to any diameter - simply cut the vacuum adapter to the required diameter from 21mm to 35mm. Ideal for tools with dust extraction such as B.- Jigsaw, circular saw, belt sander, orbital sanderrandom, table saw, orbital sander, chop saw and much more Scope - The vacuum cleaner hose adapter is suitable for all brand manufacturers such as: Bosch, Einhell, Parkside, Krcher, Makita, Metabo, WORX, Menzer, AEG, Nilfisk, Multimaster, Festool, Bosch etc. DIY - Whether you are a do-it-yourselfer or a professional, this adapter must not be missing, it can be easily cut out and serves as a reduction for the suction hose / vacuum cleaner hose.