Cicidorai 720 Pcs. M3 M4 M5 M6 12 Point 9 Grade Alloy Steel,, Black Oxide Finish Product Features ?HIGH QUALITY?: The kit is made of high-quality 12.9 grade alloy steel, they have excellent rust resistance and excellent oxidation resistance, acid and alkali resistance, non-polluting, non-toxic, environmentally friendly, and can ensure long-term use. ?PACKAGE CONTENT?: Contains 720Pcs screws and nuts (M3, M4, M5, M6), flat washers. ?LONG-TERM STORAGE?: All screws and nuts are packed in a strong and durable box, and the outer layer is protected by shrink film to effectively bear the weight of the entire package. ?WIDE APPLICATIONS?: This screw nut classification kit (M3 M4 M5 M6) is very suitable for professionals, hobbyists, landlords, handymen, repairers, carpenters and construction workers. Can be widely used in various handmade DIY productions, etc. ?WORRY-FREE PURCHASE?: We will provide you with reliable after-sales service. If you have any questions about our products, please feel free to contact us, I will reply you within 12 hours, and we will solve it for you soon. Please rest assured to buy. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!