Make sure this fits by entering your model number. ADJUSTABLE – Simply rotate the handle left or right while positioned on the tray to adjust the weight from 5 to 25 pounds in 5-pound increments. No knobs to turn, pins to align, or levers to slide – just twist and go EFFICIENT – Quickly switch weights between exercises during circuit workouts & lower the downtime between exercises; Storage tray securely stores the adjustable dumbbell – no rolling, tripping over weights or long downtime