Sculpt your body with free weight, strength training thanks to this 40kg Barbell and Dumbbell set. Change the weights in seconds with the easy to use spring collars and when youre done the cast iron plates are much slimmer than vinyl ones making them easier to store. The 7kg bar is 1 inch in diameter making it easy to store once youre done. Includes 4 x 2.5kg and 4 x 5kg discs, 6 spring collars, 2 black 35.5cm solid spinlock bars and a black 183cm solid spinlock barbell total weight : 39.8kg. About the product: Circular shape weights. Adjustable weights - can add and remove weights as desired. 17 pieces in this weight set. Composition/Material: Latex free. Bar material: cast iron. Plate material: cast iron. Weight: Bar weight 7kg. Maximum weight that can be added to the barbell: 40kg. Maximum weight on a single dumbbell: 40kg. Total package weight 40kg. Dimensions: Dumbell handgrip length: 11cm. Boxed size H5.5, W39.5, D26cm.