An adjustable dumbbell set is a versatile and space-saving fitness equipment that allows users to perform a wide range of strength training exercises at home or in the gym. Unlike traditional dumbbells, which require multiple pairs of weights, an adjustable dumbbell set consists of a pair of handles and a set of weight plates that can be easily added or removed to adjust the weight according to the user's preferences. Here's a detailed description of an adjustable dumbbell set: