Weight: 5 kg. The Sport-Thieme weight plate made of cast iron is designed for professional strength training with dumbbells. It is made from solid cast material and is ideally suited for equipping both short and long barbell bars. Whether for home use or in the gym: thanks to the various weight levels, these weight plates are particularly popular in strength training. The hole in the weight plate has a diameter of 30 mm. Additional details about the weight plates: For short and training dumbbells, weights from 0.5 to 20 kg, hole diameter: 30 mm. Area of application: Training. Material: Cast iron. Color: Black. Grip recess: No. Material of the hole ring: Cast iron. Material of the plate insert: Cast iron. Material of the plate: Cast iron. Diameter of the plate: 21.2 cm.