Working out using hex dumbbells is a great way to improve your overall level of strength. Hex dumbbells are fixed weight dumbbells. They come in a variety of different weights that can be used to workout at different levels. Hex dumbbells make a wonderful and beneficial addition to any existing workout program. Not only do they offer stability when performing push-ups, they are also an excellent tool to use when trying to increase your level of upper body strength. When starting to lift hex dumbbells, it is important that you allow yourself to work up to higher degrees of weights in the proper fashion.