Mead Wirebound Ruled Index Cards, 4 X 6 Inches (63138) 6x4 Ruled White 50 count Wire bound cards with perforations for a clean tear Mead Wire bound Ruled Index Cards, 4 X 6 Inches, 50 count Wire bound cards with perforations for a clean tear Mead Wirebound Ruled Index Cards, 4 X 6 Inches, 50 count Wirebound cards with perforations for a clean tear