Foliv 608Pcs Grade 8 Bolts And Nuts Assortment Kit, 1/4-20, 5/16-18, 3/8-16, Product Details GRADE 8 BOLTS ASSORTMENT KIT: Made of heavy duty Grade 8 Alloy Steel, corrosion resistance, good wear resistance, high hardness. MORE SAE SIZES: 1/4-20 x 1/2" to 1-1/2", 5/16-18 x 3/4" to 2", 3/8-16 x 3/4" to 2" and 1/2-13 x 2-1/2?. Package includes 142pcs SAE hex bolts, 155PCS hex nut and 155PCS spring washers, you don?t need to buy extra nuts and washers. UPGRADED PACKAGE PROTECTION: This is a heavy sae bolts kit, we have added foam and rigid paper box to protect the product case, effectively reducing of packaging breakage on the way. An transparent case inside with clear labels is convenient for users to get correct size. WIDE APPLICATIONS: The bolts kit are widely used in machinery, furniture, car and motorcycle repair and DIY design. GREEN PROTECTION: FOLIV is donating from this purchase to White Memorial Conservation Center Inc., which is providing year-round environmental education programs for children and adults to protect natural resources (i.e. vegetation, water, soil, and air). Hope we could do something for this beautiful green world. 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.