The CAP Barbell 25 lb Adjustabell Dumbbell Set features the Adjustable weight adjustment system that is safe, quick, and easy to use! The Adjustabell weight adjustment system allows you to rapidly switch from one exercise to the next. Simply turn the handle right or left to adjust the weight in 5-pound increments, pull up, and start your workout. Quickly switch weights for squats and lunges to lighter weights for curls and triceps extensions. No knobs to turn, pins to align, or levers to slide – just twist and go! The unique dial system combines 5 SETS of weights into 1! The straight bar handle has a natural orientation for a comfortable, secure lifting position. Please Select 25 lb (Single) or 50 lb (Pair)