KTC Kyoto Tool Co. Ratchet handle, two extension bars, and a quick spinner set. This is a used item, but it has been used only a few times and is in good condition. It is fully functional. Model Numbers: * Ratchet Handle: BR4E * Extension Bar: BE4-150 * Extension Bar: BE4-075 * Quick Spinner: BE4-Q Socket Size: 12.7mm (1/2 inch) I am an amateur, so I cannot answer technical questions. Please only purchase if you accept no returns or cancellations.