Used only once to remove a stuck screw, and then stored in a toolbox. This is the main unit only. There are no instructions or packaging. Please refer to the manufacturer's website for usage instructions. Although used only once, this is a used item, so please understand this. Please refrain from purchasing if you are concerned about minor details or are overly sensitive. Shipping will be via Rakuraku Mercari. Instant purchase is welcome. No price negotiations.