This 4 1/8" long attachment adapter fits in Panasonic upright hoses and wands to enable the use of standard USA 1 1/4" attachments. These include attachments on Shop-Vac, Eureka, many Electrolux models and some Hoover uprights plus various other USA brands. You will find a number of attachments for use with this adapter described on our Attachments to fit American Standard Size Vacuums page. For similar products see our list of Panasonic Vacuum Accessories.