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If there's any one piece of exercise equipment you'd want to keep around in your house, free weights would be a very good investment. Free weights give you access to a wide range of exercises that can target just about every muscle in your upper and lower body. They also don't take up as much space as other pieces of equipment. The Bowflex SelectTech dumbbells are as compact as you can get. Each dumbbell is adjustable from 5 pounds all the way to 52.5 pounds (or 10 pounds to 105 pounds if you count both dumbbells). The stand is perfectly matched to these dumbbells without taking up any more space than needed and also includes a media rack to mount your tablet or phone. It's tall enough that you don't have to stoop over and bend your back when you're reaching for the dumbbells.