Bit size : 165mm / 16mm. K, Australia, Japan and China. You can return simply if required. The item "Bosch GDE 18V-16 Dust Collector Box HEPA filter Auto Power 18V Free Track # Ship" is in sale since Sunday, December 2, 2018. This item is in the category "Home & Garden\Household Supplies & Cleaning\Vacuum Cleaners".The seller is "union-tec" and is located in Seoul. This item can be shipped worldwide.