This 40 kg weight plate is ideal for strengthening and shaping your muscles when used with a barbell bar, dumbbell bar, or curl bar with a diameter of 3 cm. Durable material: This barbell plate features a scratch-resistant baked enamel powder coat finish, which is suitable for long-time use.Clearly stamped weight: The weight is clearly stamped on each weight disc for quick and easy identification.Multifunctional plate: The multifunctional barbell weight plate is suitable for training your chest, biceps, arms, triceps, and back muscles.