Our specially designed screw nuts are great for connecting dumbbell rods and barbell rods, ensuring a secure and stable fit during your workout. These nonslip screw collars provide excellent grip, preventing any unwanted movement or loosening, allowing you to focus on your fitness routine without interruptions. Features -Color:Silver -Material:Stainless steel -Size:7.70X7.70X2.00cm/3.03X3.03X0.79in -Enhanced stability: the screw nut rings are designed to significantly improve the stability of dumbbell connecting rods, preventing any loosening between rods for safer and more reliable workouts -Versatile use: suitable for both fitness dumbbell rods and barbell rods, these screw nuts can be flexibly combined to meet various training needs, making your workouts more diverse -Durable material: made from strong in structure and hardwearing materials, ensuring use and making your fitness equipment more durable and reliable -Portable design: the lightweight and portable dumbbell connecting rods allow you to work out anytime, anywhere, making them ideal for home, office, gym, and other settings -Enhanced training effect: using the dumbbell connecting rods can increase the difficulty of your workouts, boosting muscle strength and endurance for more effective fitness results Package list: 2 x dumbbell screw