Trulap 8552 G4 Dumbbells

Adjust from 8.5 to 52 lb or 4 to 23.5 kg in seconds. Simply twist the handle while the dumbbells are in the docking base. Displays both pounds and kilograms. replaces 28 traditional dumbbells. The dumbbell length automatically increases or decreases based on the selected weight, giving you a more compact feel at lighter loads.