The DC Chair allows for the positioning of horizontal reinforcement. The design of this DC Chair allows for easy flow of concrete for maximum bond. The DC chair has two different sizes; 1.5" and 2" coverage. The DC150 base measures 1 1/2" x 1 1/8" and the DC200 base measures 1 5/8" x 1 1/8". The Max rebar for this chair is #6. 500 piece boxes available.