The dkn 7ft olympic chrome barbell bar with collars is a strong and durable bar made to withstand intense workouts and is suitable for most home gym requirements the barbell bar boasts solid steel construction and a chrome finish it weighs 20kg 44lbs and has a maximum weight load of 320kg 7055lbs showing that it is highly durable and also very functional there are spinlock collars included with this 7ft 213cm bar for more support and safety and it has a 2 51cm diameter for olympi