Weight: 20 kg The Sport-Thieme Compact Dumbbell: The premium cast iron dumbbell for your fitness. The compact dumbbells from Sport-Thieme are excellent for professional use in gyms and at home. With their optimal shape, you can perform your strength training exercises with maximum mobility and will not be restricted in your movements. The cast iron dumbbells are securely screwed together and are not interchangeable. The compact dumbbell is available in different weight classes. Product details: - Ø handle bar: 30 mm - Ø 1.25 kg plate: 13.5 cm - Ø 2.5 kg plate: 16 cm - Ø 5 kg plate: 20 cm - Length of grip: 12.5 cm Weight: 20.0 kg.