Bar chair is used to provide the necessary top cover for the top reinforcement steel.Bar chairs are made of machine bent hard drawn steel wires of diameter 4.5-6mm with plastic tips at the legs to prevent rusting. 1.Material:low carbon steel and stainless steel 2.Diameter:2mm-6mm 3.Height:2.5cm-29cm 4.Length:1.53m 5.Weight:31g-158g 6.Packing:1>in plastic bag, then put in carton box; 2>inside plastic film, outside carton box; 3>in pallet, or according to your requirement