Perfect: For training the muscles. Material: Made from high-quality rubber. Weight: 7.5kg. Additioal: Great for all Olympic 2" (5cm) weight lifting barbells. Product: Get these 2" Olympic Rubber 7.5KG Weighted Plates! Quantity: Pack of 4. 4 Pack Of 2" Olympic Rubber 7.5Kg Weighted Plates | 2in | Living Social