1. Craftsman Website: Visit the Craftsman website and navigate to the support section. Enter the model number of your rotary tool, and you should be able to find the owner's manual available for download in PDF format.
2. Online Retailers: If you purchased your rotary tool from an online retailer such as Amazon or Walmart, check the product page or contact customer service to see if they can provide a digital copy of the owner's manual.
3. Local Hardware Stores: If you bought your rotary tool from a physical Craftsman store or another hardware store, they might have a paper copy of the owner's manual available or be able to order one for you.
4. Customer Service: Contact Craftsman customer service directly through their website, email, or phone number. They can provide you with information on how to obtain an owner's manual for your rotary tool.