It is very suitable for the equipment and has a long service life. Easy to install and use, universal vacuum cleaner accessory adapter. It can be used in conjunction with other electric tools and dust removal auxiliary tools. Adapters are suitable for most vacuum hoses and do not require more than one adapter when switching between tools. Flexible design saves time switching between accessories/tools. This adapter also can use to connect vacuum cleaner to 32mm/35mm vacuum attachments. It converts from 1 1/4inch to 1 1/4 inch; from 1 1/4 inch to 1 3/8 inch; from 1 3/8 inch to 1 1/4 inch; from 36mm to 32mm/35mm; from 39mm to 32mm/35mm; from 45mm to 32mm/35mm.