DescriptionThe spikes can increase the friction between the sole and the ground, prevent slipping, and improve the balance of traction. Carbon steel material, light weight, good elasticity, prevent rust and corrode. Suitable for plastic track, long jump, running, outdoor sports activities, etc.Features-Color: Black -Material: Carbon Steel -Size: 1.40X0.50X0.50cm/ 0.55X0.20X0.20in -With spike wrench, you can detach or install this shoe spike with ease, much convenient. -Suitable for many occasions, such as athletic training, sprint running, cross country, etc. -Not easy to lose when running, These spikes are suitable for all athletic tracks. -A sufficient amount of track spikes to meet your track and filed training needs. -It is very easy for you to screw the track spikes into the shoes, convenient to replace the spikes.