If you want to improve your muscle tone, if you want to expunge more number of calories, if you want to increase your cardio-vascular wellness and if you want a better level of fitness, you can make use of weights. Under the free weights category, you have what are called bar bells, kettle bells and dumb bells which are very popular with users. When there are fixed weights, they can be used only with that particular weight. For example, if you bought a fixed weight dumbbell of weight ten pounds, you would get a pair of dumbbells that are capable of being used for ten pound weight training.
There are Adjustable Dumbbells too. This type is just a pair of dumbbells with a re-adjustable arrangement. By tweaking a knob you will be able to get various weight pairs for your workouts. The best thing about free weights, especially dumbbells is that they are easy to transport and straightforward to use. Hence even when you are traveling you can carry out your workout without any difficulty or without giving it a miss. If you were to buy non-adjusting dumbbells, you would be spending a lot and buying many products. This would become a challenge when you want to store them. Moreover, every time you need a new pair of weights, you have to rummage for it.