2400Pcs Universal Rubber O Ring Assortment Kit In 48 Sizes, Industrial Grade Product Details MULTI-SIZE SET -- Overall 48 popular sizes (2400pcs) SAE/Metric orings, inner diameter from min 3/16" to max 1-3/16" (4.5mm to 24.9mm), section from min 1/32" to max 1/16" (0.75mm to 1.55mm). EXCELLENT QUALITY -- Industrial grade nitrile rubber (NBR, Buna-N) material features oil resistance, corrosion-resistant, heat resistant (-40? to 120?), wear and tear-resistant, anti-static. WIDE APPLICATION -- Provide extreme and long-lasting sealing effect when repairing water pipes, faucets, appliances, vehicles, machines, instruments, hydraulics, or pneumatic object. WELL ORGANIZED -- All 2400 o rings are stored in two sturdy transparent plastic boxes with corresponding labels, 1 slot to 1 size design saves you effort in tidying up and choosing sizes. CONVENIENT HOOK -- Extra 4-piece o ring hooks set include straight pick, angled hook, full hook, and 90-degree hook. It will help you to remove o rings and various seals easily and quickly. 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.