Hakkin 240-Piece Hex Bolt And Nut Set With Storage Case, Stainless Steel Spring Product Details ? [10 Sizes in 3/8" 1/4" 5/16", Hex Head Cap Screw Bolts with Nuts, Flat Washers and Spring Washers Meet All Demands] Nice nuts and bolts assortment include: 1/4"-20 x 3/4", 1/4"-20 x 1-1/2", 1/4"-20 x 1", 1/4"-20 x 2", 5/16"-18 x3/4", 5/16"-18 x 1", 5/16"-18 x 1-1/2", 5/16"-18 x 2", 3/8"-16 x 2-1/2" and 3/8"-16 x 1-1/2". ? [Superior Nuts and Bolts, Washers are All Made of High Quality 304 Stainless Steel, More Durable and Firm] Assorted nuts and bolts have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using. ? [240Pcs Bolts Nuts and Washer Assortment Kit with SAE System, More Size, More Quantity] Various size of 3/8" 1/4" 5/16" screws and nuts, flat washers, spring washers total 240pcs. ? [Hakkin Nuts And Bolts Assortment Kit Can Be Widely Used] in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc. ? [The Screw Set Box Separation Design Makes The Bolts and Nuts Orderly and More Convenient to Take and Store] Storage: Bolts and Nuts Fasteners All are Stored In One Storage Bin Box. In case of missing or confusing. 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.