[4 in 1 Multifunctional Dumbbell Set: With The UNNMIIY Adjustable Dumbbell Set you can get a pair of dumbbells also barbells kettlebells and push-up stands which help you do many exercises. A complete set of dumbbells perfect for presenting the home gym.Meet your needs for diversified training Upgraded Locking Nuts & Safe and Non-slip: The anti-slip tightening collar ensures a safe and secure fit on the dumbbell or barbell bar. No worries about it getting loose or the board slipping/falling off. Smoothly contoured fingertip grip ensures quick and easy mode switching Suitable for Use in Varieties of Situations: The dumbbell pieces feature a detachable design and the adjustable weight range for the single dumbbell is 6lbs-22lbs which meets your exercise intensity needs in different stages. Installation is easy.Suitable for beginners to professionals it meets your exercise intensity needs in different stages in just one device Non-slip Dumbbell Bar: The surface of the dumbbell bar is made of ABS environmentally material and attached to a non-slip texture which strengthens the friction of the hand and helps you control the dumbbell better during exercise 20MM Thickened Foam: The high-quality non-slip and comfortable barbell connecting rod is made of 5mm thick steel pipe + 20mm thick high-quality foam. The curved design fits the neck is non-slip and sweat-absorbent and is soft and breathable giving you a more natural movement experience More Weight Options & Storage Space＜2Ft²: The dumbbell pieces feature a detachable design and the adjustable weight range for the single dumbbell is 2lbs-15lbs which meets your exercise intensity needs in different stages. Installation is easy Brand Support:UNNMIIY always due to providing our customers with the best service. If our product could not meet your expectations please let us konw we will respond within 12 hours]