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. Show Less