Tax Prep Index tabs are designed specifically for tax proffessional who sort through tax returns all day long. Just peel off a "Federal" tab and stick it to a page you need access to quickly, and from that point on, you won't have to flip through pages and pages to find your place.
Tax Prep Index tabs convienently come in books of 6 sheets. That means you get 144 "Federal" index tabs in each book!