A robust high quality home multi gym featuring a wide range of workstations the dkn studio 9000 is a great choice for anyone looking to increase muscle strength and tone through the intelligent use of its double pulley system the studio 9000 delivers loads in excess of its 75kg 1653lbs weight stack to ensure that you remain challenged as your strength improves maximum effective loads in excess of the weight stack range from 78kg 17169lbs for flys right the way up to a truly impressive