total core 1 total core material: with 1.2mm steel , 2 ABS plastic ,foam total core total core machineQty/Ctn: 1SET/CTN Loading Qty(20GP/40GP/40HQ):700/1430/1730sets Ctn size:52X47X16CM N.W(KGS):4.3 G.W(KGS):5.5 Packing:brown paper Material:steel,plastic,and foamLoading max weight:275pounds total core fitness