These are the massive weight plates and barbell you see on the tv when youre watching the professional weightlifters lift those awesome weights those very large weights are olympic sized weights and thats exactly what your buying here the big olympic weight plates and olympic sized barbell to go with it you get 4 x 25kg 6 x 5kg and 4 x 10kg thats 14 olympic size weight plates to go on the olympic sized barbell long 86 inch bar which is also includedr r you can mix and match the weight