Amazon.com description: Product Description: When you need a Code-related answer in a hurry, you don't want to pore through the entire text of the 2012 INTERNATIONAL RESIDENTIAL CODE to find it. Presenting TURBO TABS- pre-printed, full-page inserts that organize the IRC into its most frequently referenced sections. Convenient and easy-to-use, the tabs were designed by leading industry experts who strategically incorporated the features and content most valuable to anyone in or entering the field. Check out our app, DEWALT Mobile Pro™. This free app is a construction calculator with integrated reference materials and access to hundreds of additional calculations as add-ons. To learn more, visit dewalt.com/mobilepro.