Roaring Spring Covered Engineering Pad 80 Sheets - 160 Pages - Printed - Glued - Back Ruling Surface - 5 Horizontal Squares - 5 Vertical Squares - 3 Hole(s) - 20 lb Basis Weight - 75 g/m² Grammage - Letter - 8 1/2" x 11" Sheet Size - 1.20" Height x 8