These premium checks have four checks on a page and come in various colors and security features for every budget or need! The perforation location measurements are in inches. You can measure your existing paper to determine which option to select.existing check paper stock. Your check paper will contain multiple perforations. These perforations are measured in inches from the top of the check paper. If you have any questions call us at 1-800-434-9011 or use our online ruler for Laser Printed Business Checks.