Roaring Spring 5x5 Grid Engineering Pad - 200 Sheets - 400 Pages - Printed - Glued - Back Ruling Surface - 3 Hole(s) - 15 lb Basis Weight - 56 g/m² Grammage - 11" x 8 1/2" Sheet Size - 0.66" Height x 8.5" Width x 11" Length - Green Paper - Chipboard

Engineer Calculation Pads are excellent for engineering classes and labs. Smooth, green-tint, 15 lb. paper is plain, except for printed outline box on top of sheet, and has 5-square-per-inch grid layout printed on back of sheet. Back grid shows through to front as dimensional guide for drawings and layouts. Sheets are glued along the 8-1/2" top edge and three-hole punched along the 11" binding edge so it can easily fit inside letter-size, three-ring binders. The 34 point chipboard backs add stability.