30LB 4-in-1 Adjustable Dumbbell Kettlebell Set Barbell Anti Roll Weights

Easily switch between dumbbells and a barbell using the included connector, enabling a wide range of exercises—from squats and deadlifts to bench presses and bicep curls—all with one compact set. Adjustable weights support gradual progression, helping beginners and enthusiasts build muscle, endurance, and overall strength.