【5 WEIGHT FOR 1 DUMBBELL】You only need one of dumbbell to gain training experience in five different weight of 5/10/15/20/25LB. The compact and adjustable dumbbell can meet all your exercise needs, taking you from beginners to advanced levels. 【1-SECOND WEIGHT CHANGE】Just rotate with one hand, you can choose the preferred weight in 1 second.Unique weight adjustment design, enjoy more convenient adjustment experience to get better training efficiency. 【NEW SAFETY STRUCTURE DESIGN】MANGKO Adjustable dumbbell feature a unique safety locking mechanism. The dumbbell plate is securely secured to the handle by eight locking notches, ensuring that the dumbbell is secure and stable. 【SAVE HOME GYM SPACE】Adjustable dumbbell are compact designed to save 80% storage space. Easy to use and store to meet your diverse needs. 【MORE COST-EFFECTIVE】Adjustable dumbbell are more cost-effective compared to traditional dumbbell. With just an adjustable dumbbell, you can perform full-body exercises at home.