Features

• Compatible for Most of Track & Field Shoes - These nail thread diameter uniform for 1/5inch(5mm), suitable for 99% of the market nail shoes, do not worry about matching problems.
• 18 Carbon Steel Spikes - Include 18 spikes made of carbon steel, 1/3 the weight of ordinary steel spikes, just 0.39 grams, tip length of 1/4 inches, ideal for competition and testing, to provide athletes with grip while reducing the burden, to help achieve better results.
• 84 Golden Steel Spikes & 18 Silver Steel Spikes - Extremely hard, suitable for daily training, silver steel nails are more wear-resistant after being plated with gold coating, and the quantity is abundant, one purchase can meet multiple needs.
• Easy to Install - Comes with a wrench, no need to find another suitable size wrench.