The replacement football studs thread is 11mm 8mm and they are suitable for standard 11mm 8mm threaded football boot and are easy to use and replace The spikes is sharply, which can increase the grip and stability of the football shoe on the grass Crafted from Reliability plastomer component, it have strong wear resistance and durability, suitable for long-terms football matchs and training Suitable for various football field such as natural grass, artificial grass, and land The screw makes it and replace shoe studs with simple tool