BalanceFrom Olympic Bumper Plate Set with Steel Hub, Color Coded, 25 lbs Pair, 17x2 In 2" inner ring diameter for compatibility with Olympic barbells Total diameter of 17.75" ensures a secure fit on the bar and stability during lifts High-density rubber plates designed for durability, able to withstand intense workouts Sold as pairs, perfect for customizing your weight collection Solid stainless steel insert provides a secure and snug fit on the barbell, preventing shifting during exercises