Made of material for long time and durable use. The connecting rod prevents slipping when exercising and ensures your safety. It has a simple design, but very practical in use, giving you a good using experience. With the bolt, more convenient to install and remove. Features -Color:Yellow -Material:Steel, Foams -Size:50.70X2.70X2.70cm/19.93X1.06X1.06in - Adoption of premium foam and steel material, sturdy and durable for long-term use. - Perfect dumbbell connecting rods to suit all the fitness levels like arms, shoulder, abdominal, legs or back training. - Non hand grip, allows your hands to grip the bar securely. Ideal for arms, shoulder, abdominal, legs or back training. - You are free to combine different weights of dumbbells according to your exercise method. It can also be used as a barbell through a connecting rod - Easy to install and simple to operate, dumbbells can be connected at any time. Package list: 1 x Connecting Rod 4 x Nuts