This is a new McMillen brand auger bit adapter. Adapts 2" round output spindles to 2" hex collar augers. The 2" hex uses a 3/4" bolt. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Attachments\Augers".The seller is "skidsteerattachmentdepot" and is located in this country: US. This item can be shipped to United States.