Weight: 2 x 5 + 2 x 10 KG. Plastic discs at format Olympic are ideal for beginners who want to move on to professional equipment. Here you'll find discs in different weights: 1. 25 kg, 2. 5 kg, 5 kg, 10 kg and 15 kg. All these discs feature a sturdy plastic cover and a cement body. The discs are suitable for targeted training of numerous muscle groups, such as triceps or biceps. They fit perfectly on Olympic bars with a diameter of 50 mm. The different weights: 1.25 kg disc - Diameter: 16.5 cm | Thickness: 3.3 cm. 2.5 kg disc - Diameter: 21 cm | Thickness: 4.3 cm. 5 kg disc - Diameter: 25.5 cm | Thickness: 5 cm. 10 kg disc - Diameter: 33 cm | Thickness: 5.7 cm. 15 kg disc - Diameter: 41 cm | Thickness: 7 cm. Main features: Materials: highly compressed cement mix + ultra-strong plastic coating. Color: black. Weight indication on each disc. Bore of 51 mm for adaptation to Olypic bars with a diameter of 50 mm. Robust, quiet-running discs. The advantages of these discs Most home exercisers use plastic discs. Plastic reduces the impact on the floor, and the noise generated when the dumbbell is placed on the floor. This helps avoid conflicts with family and neighbors.