Superior Corrosion & Rust Protection
Prohibits Streaking and Staining -- Ideal for decking and fencing

They're distributed by Primesource Inc., 2115 East Beltline Road , Carrollton, TX 75006 | Telephone: (972) 417-3701

Actually the Primesource main office is at 2201 Lunt Ave, Elk Grove Village, IL 60007

I bought them at Home Depot.

These screws have begun rusting and running rust streaks down the trim.  I am having to replace them -- this time with McFeeley's.