Version: 5 kg. The Sport-Thieme competition weight plate made of cast iron is ideal for professional use in competitions and training. The plates have a hole diameter of 50 mm. Thanks to the weight increments of 1.25–25 kg, you can choose the weights according to your fitness level. Application area: Competition. Hole diameter: 50 mm. Material: Cast iron. Outer material: Cast iron. Inner material: Cast iron. Color: Black. Weight: 5 kg. Grip recess: Yes. Material of the hole ring: Cast iron. Material of the plate insert: Cast iron. Material of the plate: Cast iron. Diameter of the plate: 15.4 cm.