Package ContentsOur spikes for shoes set contains 50pcs track spikes and 1pcs spike wrench, the sufficient quantity can perfectly meet your replacement needs. color: as show Right SizeThe running spikes are 0.25 inches long, overall length is 0.5inch and the diameter is 0.2inch, suitable for most spikes. The spike wrench is 3*1.6inch in size for easy grip. High Quality MaterialThis cross country spikes are made of high-quality rigid steel, which is durable and wear-resistant, and the spikes are designed to be less slippery. Easy to ReplaceOur pyramid spikes package includes a spike wrench to help you change spikes faster and easier.(Be careful to keep children away from sharp parts.) FunctionalThis replacement shoes spikes for running are very practical. It is very suitable for sports shoes and running shoes to be used on the plastic track.