we have been doing this since 1926 and that means peace of mind from the time you make the first call to our helpful staff, until the last item is placed in your new location. with this year's survey just recently opened up for input, you do have the opportunity to prove me wrong! i use it on pages where music is listed, but don't want to fiddle with all the nonsense. they're available in a variety of sizes and materials to meet your pipe marking needs. 