This versatile dumbbell set is perfect for targeting chest, biceps, arms, triceps and back muscles. It includes four 5 kg weight plates, four 2.5 kg weight plates, four 1.25 kg weight plates and two 2.25 kg steel dumbbell bars and has a total weight of about 40 kg. This set allows the users to variably select the weights they want to lift for different exercises. These weight plates are made of cast iron that has been given a lacquer finish and they can easily be secured onto the bars with the included spinlock collars. The weight is clearly stamped on each plate for quick and easy identification. Colour: Black - Material: Cast iron plates with a lacquer finish + steel bars - Diameter of large plates: 21 cm - Diameter of medium plates: 15.9 cm - Diameter of small plates: 12.3 cm - Thickness of large plates: 2.9 cm - Thickness of medium plates: 2.4 cm - Thickness of small plates: 2 cm - Hole diameter: 30 mm - Dumbbell bar dimensions: 3 x 35 cm (Diameter x L)Total weight: 40 kg - Dumbbell bar weight (each): 2.25 kg - Plate weight: 4 x 5 kg + 4 x 2.5 kg + 4 x 1.25 kg