Heavy Duty Bolts And Nuts Assortment Kit By Foliv, 566 Pcs., Grade, 16 Included. Product Features MADE OF GRADE 8 ALLOY STEEL: Corrosion resistance, good wear resistance, high hardness and high strength. 1/4-20, 5/16-18, 3/8-16 SAE SIZES: Size from 1/4-20 x1/2" to 1-1/2", 5/16-18 x 3/4" to 2", 3/8-16 x 3/4" to 2". Package includes 176pcs SAE hex bolts, 130PCS hex nut and130PCS spring washers. Total is 566PCS. PLASTIC HEAT SEAL PACKAGING: All the nuts and bolts and organized in a sturdy transparent box. Every size is in single space, will not get mixed. Box with clear labels on cover, convenient for users to get correct sizes. WIDE APPLICATIONS: The bolts kit are widely used in machinery, furniture, car and motorcycle repair and DIY design. RELIABLE QUALITY AND SERVICE: FOLIV provide service for our product quality problem. If you met any quality problem about our product, please feel free to contact us, we will solve it very soon. 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!