These screed chairs are great for using an 1 1/2" - 2" x 3/8" flat bar. It allows you to raise your rebar mat up higher.

Flat bar not included

Anyone can screed concrete now. You don't need to be a long time concrete guy to screed and get concrete flat. Screed Rail Chairs give you a perfect grade without the fear of digging too deep or leaving a hump. The rails are set perfect and easy to screed off of. Screed Rails are by far the easiest way to screed concrete.