HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Our Cast Iron Tri-Grip 25Mm Standard Weight Plates Are Built To Last. The Tri-Grip Design Allows For Easy Handling And Heavy Duty Cast Iron Ensures Maximum Durability. The 25Mm Hole Is Compatible With Standard Sized Bar Sleeves. Features - Cast Iron Weight Plates - 25Mm Hole Diameter To Suit Standard Barbells Dimensions And Weight - 4 X 5Kg Cast Iron Tri-Grip Weight Plate - 4 X 2.5Kg Cast Iron Tri-Grip Weight Plate - 4 X 1.25Kg Cast Iron Tri-Grip Weight Plate