Fitvids Adjustable Dumbbell Set, 40lbs or 60lbs Free Weights Set with Connector, 2 in 1 or 4 in 1 Changeable Dumbbells and Barbell for Exercise and Fitness

4-in-1 Multifunctional Set - Changeable from dumbbells to barbells, kettlebells, and push-up stands, this 4-in1 multifunctional set serves all your exercise and fitness purposes

Contents - Set of 4-in-1: Four 4LB plates, four 5LB plates, four 6LB plates, two dumbbell handles, one barbell connector, one kettlebell base with rod, two kettlebell handles, five collar locks

Multifunctional - Provides multiple weight options and quick transitions between dumbbells, barbells and kettlebells. Easy to disassemble and assemble. No rust, no damage to the floor

Adjustable Weights - With 4x 4LB, 4x 5LB and 4x 6LB, you can adjust your weight from 4LB to 30LB singles or 8LB to 60LB pairs

Material - Exterior is made of high-quality PE materials, and the inside is mixed with iron, cement, and sand