Specification:Size: 11mm / 0.43"Nail Head Diameter: 7.5mm / 0.3"Thread Size: M5 x 0.8Total Size: 17mm x 13.5mm / 0.67" x 0.53"Features:Made of Aluminum, corroding prevention, is strong and wear-resistant. Lightweight helps improve your running speed 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 improves the balance of traction, flexibility and speed as you run. And will not damage the venue.Provides optimal grip and stability for soft turf fields. General size for most running shoes to use, suitable for soft turf football fields. If you like playing football, these track spikes will be of great help.Package Content:5pcs x Track Spikes.
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