The Bi-Office exchangeable accessories set for grooved letter boards has enough characters for you to create and change messages. Promote your business on a board pavement sign, create a menu board, or a message board for a baby announcement. You can also pep up your felt or cork noticeboard with these silver letters. These felt letter board letters can be used on any changeable grooved letter board. Each character has tabs that easily slide into position and firmly grip the peg board surface. This is a 235 characters pack.