The Vacuum Wand Adapter adapts a 1-1/4” diameter Makita® Vacuum Wand to 1-3/8” Diameter Vacuum Wand Accessories. It installs quickly and easily. The adapter is durably constructed for long life. It works with Makita® 36V (18V X2) LXT Backpack Vacuums (XCV17 and XCV09, sold separately).