Sunkpmckp 1/2" Drive Deep 6-Point Impact Socket Set, 8-Piece Standard, Inch Size Product Details ?TOP MATERIALS?: Made of Chrome Molybdenum Steel, the top material in pneumatic tool applications, the material cost is three times that of Chromium-Vanadium Steel. ?PRODUCT PROCESS?: Deeply hardened, it has the best impact resistance, high strength and toughness, and the overall performance is top. And the corrosion-resistant: manganese phosphate coating sandblasted finish. ?SPECIFICATION?: 8-Piece 6-Point Standard SAE: 1-1/4", 1-3/8", 1-7/16", 1-1/2", 1-9/16", 1-5/8", 1-11/16", 1-3/4". Extra-deep 3.15 inch. Specification size laser marking, clear and easy to distinguish. ?USING RANGE?: Suitable for all kinds of large equipment maintenance and assembly, car repair, home repair, et. ?STORAGE CASE?: All 1/2" driver impact socket set are contained in plastic toolboxes, for easy storage and use. If you encounter any problems, you can contact us at any time through Amazon, and SUNKP MCKP will provide you with the best solution. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.