Tools Central

All About Levels, Plumb Bobs and Guide Lines

Levels are essential to many DIY jobs because they ensure that guide lines or marks are precisely horizontal (level) or vertical (plumb). You can also use them to set accurate angled guides.

Excerpted from Do It Yourself Home Improvement

Carpenter's Level

This contains three vials and is the most versatile level. The vial in the middle is used to determine the horizontal level, while some carpenter's levels have a vertical end vial that can determine plumb. Carpenter's levels are available in several sizes ranging from 24 inches to 6 feet.