These washers are an essential accessory for anyone serious about weightlifting. They are designed to fit on dumbbell and barbell rods, providing a secure hold that prevents slippage. Made from materials, they are built to withstand the rigors of regular use, making them ideal for both amateur and professional weightlifters. Features -Color:Black -Material:Plastic -Size:3.50X3.50X0.30cm/1.38X1.38X0.12in -Highperformance elasticity: these washers offer excellent elasticity, enhancing barbell stability and preventing slippage during exercises -Durability and longevity: made from materials, these washers are durable and resistant to deformation, ensuring longterm use -Fine fit: compatible with a variety of barbell sizes, these washers are flexible and easy to adjust for different training sessions -Quick and easy setup: installation is straightforward and requires no extra tools, making these washers convenient and efficient -Multienvironment use: ideal for both home and gym settings, these washers are versatile and suitable for various training environments Package list: 20 x dumbbell rings