Weideer 3670Pcs M2 M3 M4 M5 Metric Screw Assortment Kit,Metric Bolt Product Features 3670pcs Metric Screw,33 sizes.2000pcs Hex Socket Head M2 M3 M4 M5 Screw.1670pcs Hex Button Head M2 M3 M4 M5 Screw.Screws of every size are provided with wrenches. The screws are put into the box separately. Enough quantity to meet daily needs. Machine Screw Assortment Kit is made of 12.9 Alloy Steel Hex Socket Head and 10.9 Alloy Steel Hex Button Head.High strength. The screws are plated with black zinc. No corrosion and no oil surface. Anti-rust and anti-corrosion. Standard metric screw, precise thread, precise cutting and no burr. Screws and nuts are closely matched. Metric Bolts and Nuts Kit can be widely used in various precision machinery, Cars, boats,electronic products, household appliances, communication products, toys and so on. Packaging upgrade. Packaging upgrade. Our screw sorting kit is packed in portable handheld box.Our black boxes are stronger, better in quality and longer in life. Can be reused. Detailed instructions are attached to the box. 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!