INTERNATIONAL BUYERS – Unless noted in listing all electric tools and chargers for cordless tools are USA 120 volt. 3/8 Drive 6 Point SAE and Metric Standard and Deep Impact Socket Set. Manufactured using quality Chrome-Molybdenum alloy steel. 1/4 Hex x 3/8 Sq. Scanners and code readers are NOT returnable once the item is set up or registered. We do all we can to keep our customers happy. We are comitted to providing quality products at low prices with a high standard of service. One of our staff will answer your questions. If you would like to know if the item is in stock in our California warehouse, please let us know. We are happy to answer all questions and are here to help you.