Summary Available in heights of 2" to 15" in increments of 1/4". Chairs over 12" require cross-bracing or lacing of legs. Dayton Superior manufactures a complete line of rebar and/or mesh supports. All Dayton Superior rebar supports are manufactured to the recommendations or specifications of the Concrete Reinforcing Steel Institute (CRSI). Dayton Superior’s Individual High Chair is used to support upper steel directly or by means of a carrier bar. Available in 2" to 15" heights in bright basic, plastic-protected, epoxy-coated, or galvanized wire. Additional Resources: Rebar Support