rebar spacer wheel for reinforcing cage

{"cid":"91193937","title":"Platic 50mm Rebar Spacer Wheel for reinforcing cage","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/fa\/526b67d93f54eeea1a8c9750a7ac-200x200-1.jpg","attrs":{"Price":"~","Brand Name":"MF","Model Number":"15-50mm","Minimum Order Quantity":"500 pcs","Delivery Time":"20~30days","Certification":"ISO","Place of Origin":"China","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,","Supply Ability":"50000pcs\/mouth","Packaging Details":"\/","Material":"Q235\/Q245","Type":"Heavy duty","Concrete cover thickness":"15-50mm","Color":"Silver\/Customized","Packing":"Carton or woven bag","Usage":"Construction"}}