The Leica NA300 Series of automatic (optical) levels has been developed for professionals who are looking for the highest quality results day by day. With the many obstructions and uneven surfaces on construction and building sites, the NA300 levels rise to the occasion and ensure the straightest and safest construction possible. What does this add up to? Reduced work downtime, thus translates into higher productivity, resulting in reliability and accuracy at an extremely reasonable price. Test one for yourself at LES today.