The red numbers on your measuring device make it easier to measure for studs in walls. They normally appear at every 16 inches, which is the standard distance to place a stud or support in modern homes. Although this is not always the case with older homes, it works very well for new construction.
It doesn't matter if you are a contractor, designer or homeowner; a
tape measure should be part of your tool kit. You can purchase a wide selection of these, other measuring devices,
drafting tools and supplies at
Engineer Supply, which has the essentials for almost every construction or engineering project.