These washers are ideal for maintaining the integrity of your weightlifting equipment. They are designed to fit dumbbell and barbell rods securely, preventing any movement that could your workout. Made from sturdy materials, they offer performance, making them suitable for both home and professional gym environments. Features -Color:Black -Material:Plastic -Size:3.50X3.50X0.30cm/1.38X1.38X0.12in -Enhanced elasticity: these washers provide elasticity, increasing barbell stability and preventing slippage during workouts - and durable: made from durable materials, these washers are resistant to wear and deformation, ensuring longterm use -Compatibility: suitable for various barbell sizes, these washers are flexible and easy to adjust for different training routines -Simple installation: no extra tools are needed for installation, making these washers userfriendly and time efficient -Versatile application: ideal for different training environments, including home and commercial gyms, these washers adapt to various workout settings Package list: 20 x dumbbell rings