Updated design to cope with more punishment - Build power with throws and slams - Ultra durable for high impact ballistic movements - Textured rubber casing aids grip - Our newly designed Dead Balls are built for punishment. Made with extra thick rubber casing for durability, and a textured surface for grip, they're perfect for high impact work like ballistic slams and throws. Iron Edge Dead Balls are a smart choice for high usage gym environments or for those that place extreme demands on their equipment. - Features and Benefits:Ultra strong thick rubber casing - Build power with ballistic throws and slams - Textured surface for better grip - Improved valve design - Durability makes them ideal for high usage facilities - Soft and safe, protects floors and feet - Available in 6, 9, 12, 15, 20, 25, 30, 35, 45, 55, 65 & 75kg in Iron Edge red. Diameter:6kg - 23cm9kg - 23cm12kg - 28cm15kg - 28cm20kg - 28cm25kg - 28cm 30kg - 28cm35kg - 30.5cm45kg - 33cm55kg - 35.5cm65kg - 35.5cm75kg - 38cm