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. Comes with a combined 35kg of weight plates. Features Cast Iron Weight Plates 25mm hole diameter to suit Standard Barbells Weights Included 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 Plate Diameter & Thickness 5kg plate - Diameter: 23.7, Thickness: 5.4cm 2.5kg plate - Diameter: 19.2cm, Thickness: 2.1cm 1.25kg plate - Diameter: 14.6cm, Thickness: 1.8cm Warranty: 12 Months Parts replacement warranty