This Kit includes four Strong Rubber Coated Magnets for the Post Mount
 
These 1.75 inch diameter neodymium magnets are rubber coated and very strong.  If you're attaching your Post Mount to a painted surface, or any surface you dont want to scratch these magnets are a good choice.  The rubber coating protects the surface and the additional size of the magnets serves to provide a rock solid connection.  The kit includes four magents that readily thread into your Post Mount.  The kit includes four Lock Washers and four Jam Nuts.
 
This Kit has everything you need for a scratch free and rock solid post mount connection.