Track Running Shoe Spikes 50 Pieces 5mm Replacement Metal Spikes for Sprint Practice Adults 【Reliable Construction】: Made from wear resistant hard steel, these spikes are designed to withstand frequent use without easily wearing down, ensuring long term performance for your track shoes<br> 【Enhanced Traction】: The track shoes spikes provide grip on various surfaces, making them ideal for improving skills and speed during sprints and regular training sessions<br> 【Versatile Use】: greatly suited for synthetic tracks and short distance sprints ranging from 100 to 400 meters, these spikes cater to both competitive and everyday practice needs<br> 【Comprehensive Set】: This package includes 50 track spikes along with a convenient wrench, allowing for easy installation and removal of spikes as needed<br> 【Optimal Size】: Featuring spikes thread size of 5 mm and a wrench size of 8cmx5.4cm/3.15inchx2.13inch, this set is designed to fit most standard track shoes seamlessly, providing a secure fit for enhanced performance<br> Specification:<br> Material: Steel Plastic<br> Size Chart:<br> Spikes Thread 0.5cm/0.20inch;<br> Wrench 8cmx5.4cm/3.15inchx2.13inch<br> Package Includes:<br> 50 Track Spikes<br> 1 Wrench<br> 1 Storage Box<br> <br> Note:<br> Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.