The product is a lot of 5 vintage key blanks made by ILCO. The key blanks are nickel plate over brass with 5 pins, model number 1019. They are suitable for use in reading locks, padlocks, mailboxes, and office furniture keys. Made in the United States, these specialty key blanks are ideal for residential and commercial applications. The key blanks are of the RE1 type, ensuring compatibility with a variety of lock systems. Free shipping is included with this purchase, making it a convenient and cost-effective option for key management supplies.