The info please refer to the below: main partsdescriptionmaterialremarkmid rodaluminumsquare tubesteelfootPA6+GFPAH freeholderPP+GFPAH freedescriptionheightwidthlengthtire rack110cm45cm45cmpackingdescriptionmeasurementsetcolor box54.5X15X10cm 1export carton55X47X32cm 9transportdescriptionNo.of boxesNo.of cartons40GP603067020GP3015335 function: to store the tires, 4pcs capacity:each holder can support 25 kg without breaking. price:the more you are buying the better price will be