The product is a set of brass key blanks specifically designed for locksmiths, with the manufacturer part number KW1 from Ilco. These key blanks are ideal for creating custom keys for various locks and security systems. Made by Ilco, a reputable manufacturer of key blanks, these KW1 key blanks offer durability and reliability for your security needs. Perfect for professionals and DIY enthusiasts alike, these key blanks provide a secure and consistent solution for your locksmithing projects.