These track spikes are convenient for you to have different sports activities. Made of premium steel material, very strong, not easy to deform or break, small size, keep from slipping and avoid having damage to the track. Easy to screw the track nails into the shoes and take out by wrench, which is convenient to replace the spikes. Features -Color:Assorted Color -Material:Hard Steel,Plastic -Size(spike):1.40X0.50X0.50cm/0.55X0.20X0.20in -Size(spike wrench):7.50X4.30X0.70cm/2.95X1.69X0.28in -These track spikes are designed with cone shape for increasing the friction between shoes and ground. -Made from premium steel material, light weight, prevent skidding on playground, for you to use with peace of mind. -If you are fond of the running, or you're enthusiast, these shoe spikes can bring you much more convenience. -Can be used for plastic track, long jump, running, and more outdoor sports activities, better fit your needs. -Enough quantity of replacement spikes for track shoes for you to use, or share with your family, friends. Package list: 120 x Shoe Spikes 1 x Spike Wrench