Description:Gross weight: 20kg, material: steel+plastic+sponge cover Product features: 1. Adjustable dumbbell - quick and easy to install, it can be used for wide hammers or tight grip exercises; Both sides of the dumbbell are equipped with multiple movable weight pads, which can meet your exercise needs 2. Whether it's bicep bending or bench press - thanks to the extra long 40cm connector, the 2-in-1 dumbbell set combines these two functions in one product, easily transforming your dumbbell into a barbell and benefiting from a space saving solution for effective strength training at home! 3. The all-in-one dumbbell barbell can meet all your needs - it is an ideal choice for enhancing muscle mass, improving muscle endurance, improving cardiovascular health, promoting weight loss, and extending endurance. It also helps to strengthen the entire upper body and shape the core muscles 4. It has high-quality counterweights made of concrete and connectors with padding, allowing for free weight training. It also has the highest quality and durability 5. Safety design - high-quality anti slip materials, weight adjustment can adapt to the gradual process of training, suitable for beginners and advanced coaches, dumbbells of different weights are easy to replace, and the training process is full of confidence 6. Whether it's bench press or squat, this set allows you to do the best free weight exercises for both competitive athletes and fitness enthusiasts, making dumbbells the perfect replacement for gyms 7. Easy to assemble and store - equipped with thick and smooth nuts, easy to twist, weight dumbbells will not harm your hands during assembly or use; After disassembly, it is easy to carry and requires small storage space, suitable for the home or office fitness training you want