【2 Version Switchable】This multi-functional kettlebell can also be transformed into a weight adjustable dumbbell due to its innovative design. You can experience the fun of kettlebell set and dumbbell both with only a set of this adjustable kettlebell! 【Safer Lock】Unlike the upper and lower weight adjustment on the market, our kettlebells utilize a unique left and right side weight adjustment system that effectively eliminates the risk of sliding weight plates. With the unique lock mechanism, the weight can be safely locked by hearing the “da” sound. 【Easy Adjustment】The adjustment of kettle bell weight becomes so easy, what you need to do is press 2 black buttons on the weight plate simultaneously and turn left to reduce weight. To increase the weight, turn the weight plate to the right until it locks with an audible click. 【Multiple Weights Available】This strength training kettlebell offers 7 adjustable weights from 10LB, 12.5LB, 15LB, 17.5LB, 20LB, 22.5LB to 25LB. For dumbbell version, you’ll get 5.3LB, 10.3LB, or 15.3LB with different combinations of weight plates. You can add weights step by step according to your daily routine! 【Portable & Space-saving】The size of this kettle bell weights set for women and men is 6.3″L x 4.5″W x 8.7″H which is compact and space-saving. This multifunctional kettlebell is perfect for agility training, weight training, cardio, squats, and more.