Marcy BS-100kg Olympic Weight Set Assembly: Self Assembly 15 kg 6-ft Olympic Barbell made of steel, rated 315 kg A clever blend of Light & Heavy weights making 85 kg Solid Cast Iron plates with anti-corrosion coating Made for everyday weightlifting, for home use only Resilient Brass Metal Bushings for free barbell rotation Plates with TriGrip handle for secure handling Lifetime Warranty Weight Set