The PowerBlock® 2.5-50 lbs. Personal Trainer Dumbbell Set is a heavy duty set with a similar weight stack to the Personal Set plus sturdy heavy duty handles that weighs 5 lbs. without the chrome adder weights in the handle. The Personal Trainer Set allows the user to achieve every 2.5 lb jump within the weight range of 2.5-50 lbs per dumbbell. The Personal Trainer Set is not expandable. The Personal Trainer Set Stand is also available. Key Features: