An Auto Level or Dumpy Level is a Professional Leveling Tool used by a variety of contractors. These include Builders & Land Surveyors. Dumpy levels are easy to set up, be it on a sloped or flat block and offer the highest performance to price ratio. We recommend only buying a dumpy level which is manufactured by a specific laser manufacturer. These days there are a lot of tool companies mass producing dumpy levels, and they are made to the specific needs of contractors alike. They also don't have the backup service when required. We recommend brands such as Topcon, Pentax, Leica and CMI, who will support you with the after sales service required.