Description This product is a set ofdumbbell connecting rods, adoption of PVC, steel and foam material.It is perfect for dumbbell exercising use. Suitable for personal and professional use.Awonderful dumbbell accessory for a variety of dumbbell exercises to strengthen muscles. Features -Color:As Shown -Material:PVC,Steel,Foam -Size:40.00X2.60X2.60cm/15.72X1.02X1.02in -Size:40.00X4.50X4.50cm/15.72X1.77X1.77in -Made of steel, PVC and foammaterial, durable and practical for long-lasting use. - Connect your barbell to achieve the effect of decompression andimprove your strength training. - Easy to install and remove, suitable for professional and personal use.A nice dumbbell rod for you to choose. - Non-slip handle,prevents slipping and ensures your safety when exercising. -Special gift for your friends who like dumbbell weight training.Dumbbells can be connected at any time.Package list: 2 x Barbell Bars with Screw Nuts 1 x Barbell Bar Connect Rod