Air Hose Fittings, 7 Pieces 1/4" Npt Aluminum Amt Universal Air Couplers, Blue Product Details ? DURABLE ALUMINUM CONSTRUCTION: Made of Aluminum, Long-Lasting and Resistant to Corrosion. ? DO THE BEST TO PREVENT LEAK: Precision Manufactured Threads and Come with Teflon Tape. ? EASY CONNECT SYSTEM: Sleeve Guard Helps Reduce the Risk of Accidental Disconnects and Protects the Coupler Sleeve. ? WIDELY USE: Interchangeable with Most Manufacturers and Easily Locks Tool onto Air Hoses. ? FREE 100% SATISFACTION GUARANTEE: 1 Years Warranty Provided by FYPower, So Click "Add to Cart" with Confidence. 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.