At U.S . Bolt Kits, customer service is our number one priority. All orders are are subject to a 3 step quality and accuracy inspection before shipment. We only use premium nuts, bolts, and washers in our kits and assortments and our Durham Mfg. bins and drawers are the industry standard in industrial storage. Feel free to contact us with any questions or concerns. As always satisfaction is guaranteed or your money back! Thanks for your interest in U.S Bolt Kits. We look forward to working with you! nut and bolt kit