PhysKcal Olympic Weight Plates with Rubber Finish 2’’ Opening and Tri-Grips, Black Barbell Plates Discs for Lifting and Strength Training, Solid Cast Iron Core Weights Set for Barbell, 1.25kg - 20kg, These weight plates are made of perfectly balanced solid cast iron with impeccable craftsmanship. The 5 mm dense and durable rubber finish not only reduces excessive noise and floor damages but also resistant to corrosion. The flange around centre ring made of stainless steel reduces abrasion to the bar sleeves, thus prolonging the life of your barbells and plates. Each plate has 3 cut out grip holes for easy loading and unloading onto a barbell. In