[Quality Material]These shoe spikes replacemen are made of quality steel, durable and rust-resist and anti-corrode, ensure you to use for a long time.Easy to match with most of the track shoes, improve your running balance of traction, flexibility and speed.[Easy to Use & Replace Spikes]: The package includes a spike wrench. It is very easy for you to screw the pyramid track spikes into the shoes, convenient to replace the spikes. perfect for athletic tracks, field and cross country surfaces.[Size]: 6.35 mm (1/4 inch) in length, tapered and needle-shaped, which increases friction between the sole and the ground and prevents skidding,especially suit for track sprints, long jump,running, outdoor sports activities.[Improve Running]: If you like running, climbing, or you are a sports enthusiast, this track spikes will help you a lot. This pyramid spikes will add the friction between the shoe sole and ground, thus can resist skid and improve your running speed.Colour:silver / blackMaterial:steelPackage Contents:120 * black track shoe spikes1 * spike wrench(The style is random, and the specified style is not accepted)1 * boxOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.