The CENTR Smart Stack 50LB Adjustable Dumbbell Pair offers strength, comfort, and durability. With a bi-directional ergonomic handle and adjustable weights from 5 lbs to 50 lbs per dumbbell, this set is perfect for versatile training. Enjoy safe and efficient workouts with a steel pin locking system and organized weights. Connect to Centr's digital coaching for hundreds of workouts.