Track Spikes 9.5mm Hard Steel Jumping Nails for Track Shoes Silver Tone 5 Pieces

Made of hard steel it prevents rust and corroding has high hardness is strong and very wear-resistant is not easy to break and has a long service life. Helps improve your bounce and can achieve better results in competition. Tapered needle shape track spikes can increase the friction between the shoe and the ground prevent skidding and ensure safety. It also gives you more bounce when you jump. And will not damage the runway. Provides bounce and stability for dry terrain such as athletic fields. General size for most running shoes to use suitable for standing high Jump long jump.