20kg 4in1 kettle bell

Product Details

The inner part of the barbell bar is a 5 mm thick steel tube, and the outer part is made of 20 mm soft foam. The shape of foam cotton conforms to the curvature of the neck of the human body and fits the neck very well. The ergonomic foam cotton is our patented design. Equipped with a variety of weight dumbbells to meet fitness needs,you can free assembly and disassembly.Moreover,At both ends of the barbell, there are two safety nuts respectively, which should be tightened during use to ensure more safety and no dumbbells will fall off. The dumbbell grip is made of ABS material outside the 5 mm steel tube. And the diamond pattern is used on the surface of the grip to strengthen the friction and effectively prevent slipping after sweating.Greatly enhance the safety of using dumbbells. Each dumbbell is filled with a mixture of cement and iron sand, safe and no smell which is solid and strong. The outside of the dumbbell is wrapped with thick 5 mm rubber, which will not scratch the floor when used, and it is also very wear-resistant.