Metabo DDE 72 Vacuum Dust Extraction Adapter up to 2-3/4"VACUUM CLEANER ADAPTER DDE 72 (631343000) Vacuum cleaner adapter for extracting drilling dust at the hole entry point For drill bits and core bits from 6 72 mm. connection 37 mm outside 32 mm inside By virtue of the 2 chamber system and the foam rubber gasket it stays attached to almost all (even uneven) surfaces, such as plaster, natural stone and woodchip wallpaper. Minimal drill dust residue at walls and wallpapers The adapter is put on the