Boatsea 407 Pcs Sae Universal O-Ring Kit, Set Of 32 Usa Standard Sizes,, Red Product Details Multi Size to Meet Your Needs: including 32 most commonly used sizes, from 1/8? ID x 1/4? OD to 3/4? ID x 2-1/4? OD can almost meet your needs All needs. Comply with USA Standard Sizes. For more details, please refer to our size pictures. High Quality: Every piece of our O-ring kit is made of top nitrile rubber, heat-resistant, low-temperature/high-temperature resistant, air, water, petroleum products, mineral oil and hydraulic oil, natural gas, kerosene, silicone oil, Non-aromatic fuels and solvents, provide long-lasting and reliable service. Wide Range of Applications: Universal O Ring buna kits, mechanic nitrile repairs, essential for all workshops and onsite service engineers. Used in pipelines, machinery, hydraulic and pneumatic maintenance, faucets, garages, workshops, automobiles, doors and windows, electrical appliances, bearings, pumps, etc. Convenient Storage and Use: The separate housings of the SAE kits organize each O-ring into different grooves by size, and all grooves are clearly marked for ease of use, eliminating the trouble of sorting and selecting the size. Quality Assurance: Customer satisfaction is our pursuit. We have full confidence in our products. If you are not satisfied for any reason within 30 days, please return your tool kit without any questions. We also provide 7*24 customer service. 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.