Weight: 0.4 kg, light blue trial discus - For beginners and professionals - The trial discus is the perfect training device for learning throwing techniques and is used in the athletics field. Your advantage: Whether left or right-handed, anyone can train with it. For beginners, there is a grip recess on the discus. Advanced users can take advantage of the integrated grip grooves and the competition stance. - Product details: - Thickness (Inner/Outer) 4.1 cm/1.8 cm Application area: Training Usage: Indoor, Outdoor Color: light blue Body material: Plastic Diameter: 20 cm Ring material: Plastic Weight: 0.40 kg.