This special sales is for various style and size of the adjustable dumbbell kit (52.5 lbs, 100 lbs , 105 lbs or 200 lbs). Not everyone who is interested in getting a better body through strength training has the necessary room in their home for a dozen or more sets of dumbbells. This adjustable and versatile dumbbell kit is small, convenient, and easy to store. You will be able to perform the widest variety of exercises by working out with varying weights. The kit is simply the best and a must have!