Check the listing for details. Adjustable Dumbbells, Portable Changeable Dumbbell, Kettlebells, Push up Stand. Color: Blue, Condition: New. Listed at 59.99 USD. 【4 in 1 Multifunctional Dumbbell Set】:With it, you can get a pair of dumbbells also barbells, kettlebells, and push-up stands, which help you do many exercises including bench presses, squats, etc. Each dumbbells and its components undergo extensive testing for optimal performance.