The adjustable dumbbell is an ideal solution. Newly designed, the innovative Dumbbells combines 15 sets of weights into one using a unique dial system. It's one of the most space-efficient and flexible strength-training options available with its unique and effective design. With just the turn of a dial, you can automatically change your resistance on each dumbbell from 2 kg all the way up to 24 kg of weight. It adjusts in 2 to 2.5 kg increments (up to 24 kg), enabling you to gradually increase your strength without bulking up. is convenient and great for both beginners and the advanced fitness enthusiast. The different plate weights are made up from iron. Product Features: Durable cast iron plates Eliminates the need for multiple dumbbells cluttering your workout space Combines 15 sets of weights into one, using a unique dial system Specifications: Color: Black Material: Iron Nylon Bottom: 2 kg Carton and Form: 1 kg Package Dimension: 57 x 35 x 31 cm Net Weight: 24 kg