In your basement workshop, a valuable tool to have on hand is a utility knife -- one with several changeable blades. They come with a great variety -- straight blades, hooked blades, thin razors or special blades for cutting linoleum. When buying a utility knife get the best. When it comes time to do any cutting job, from carpet to trimming wallpaper, you'll be sure to have the proper tool in hand. And that's the On The House tip for today.