Nitrile-70A Rubber Seals O Ring Kit, Sae And Metric Sizes Product Features High Quality:Made of Nitrile (NBR) 70 shore material,are durable,high temperature resistance,anti static,oil resistant,UV resistance,wear resistant. Multi size:This orings set includes SAE 407 O-rings and metric 419 O-rings in the 32 most needed sizes,SAE sizes from 1/8? I.D. x 1/4? O.D. to 2? I.D. x 2-1/4? O.D.,Metric sizes from 3 mm I.D. to 50 mm I.D.,can meet almost all your needs.You also can get four pieces o-ring pick and hook tools,it can let you to remove o rings,various seals and bushings more easily Also it?s very convenient to work when repairing cars,faucets,pipes,hydraulics, pneumatic machines and ect. Wide Application:Use for plumbing,machinery,hydraulic pneumatic repairs,water faucet, garages,workshops,cars,doors and Windows, electrical appliances, bearings, pumps, idlers, etc. Handy Packing: SAE 407 oring kit,metric 419 oring kit and o-ring tools put into a color box. Each size o rings separated and organized,that makes more convenient to carry, select and collect. Customer Service: You are unhappy for any reason, return your kit with no questions asked and BUSY-CORNER will provide a full refund. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!