Horizontal/ Perpendicular type Perforated Board is widely accepted in schools, corporate, offices, colleges, hospitals and hotels. The Perforated Board is useful for displaying plastic numerical and alphabets by frequent changing the letters. The Perforated Board comes in both horizontal and perpendicular forms and available with 1½`, 1` and ¾" sizes letters. Horizontal/ Perpendicular type Perforated Board is available in various sizes as per specific requirements.