True to Cool Oil Filter Keychain UNBELIEVABLE DETAIL - Our oil filter keychain comes with a real rubber o-ring just like the real thing. The textured top simulates the no-slip-grip of a real oil filter. HIGH QUALITY MATERIALS - All True to Cool(TM) keychains are made from 100% lead free pewter, aluminum, and zinc. Industrial grade adhesives hold everything together for the long haul. All of our products are designed, manufactured, and assembled in the USA. THE PERFECT GIFT IDEA - True to Cool(TM) motorsports keychains are the best ideas for a cool & trendy gift. Whether for a birthday, anniversary or holiday, guy's and gal's love cars all year round ! MONEY BACK GUARANTEE - 100% risk free 30 day money back guarantee. Lifetime guaranteed replacement provided by True to Cool(TM).