Description: - 【Versatile Use】: These track spikes are great for pp tracks, suitable for all surfaces including , dirt, grass, cross country, and ice Ideal for short distance track events like 100-400m runs on synthetic tracks. - 【Material】: Spikes are made from a carbon aluminum composite material with a colored coating on the surface. They offer durability for 2-3 uses but are not resistant to wear and tear. - 【Lightweight】: Made from quality carbon and aluminum through special synthetic processing, these spikes offer maximum lightness. However, they may not be suitable for daily training due to their durability and are recommended for use in exams or competitions. - 【Product Dimensions】: Each spikes measures 7mm in length with a thread diameter of 5mm. The replacement shoes spikes, which can install quickly, easy to use. - 【Package Contents】Each order includes 12 carbon aluminum shoe spikes. The track spikes provide traction on soft ground and increase stability and balance. Specification: - Material: Carbon and Aluminum Alloy Size Chart: Spikes Length: 7mm Thread Diameter: 5mm Package Includes: 12 Track Spikes Note: Please allow slightly errors 1-2cm differences due to manual measurement.