The most important feature of a hex dumbbell is their hexagonal design. The hexagonal design gives the Hastings Hex Dumbbells a unique look when you compare them to regular dumbbells. An important advantage of training with hex dumbbells is that they cannot start rolling while you are doing push-ups. Another big advantage of the Hastings Hex Dumbbells is the fact they are equipped with a rubber coating. This makes training with these dumbbells extremely safe and lowers the possibility of damage to your wall or floor. The noise of falling and/or colliding dumbbells is also reduced to a minimum. The Hastings Hex Dumbbells consist of: 2 × 1kg 2 × 2kg 2 × 3kg 2 × 4kg 2 × 5kg2 × 6kg 2 × 7kg 2 × 8kg 2 × 9kg 2 × 10kg