Package: You will receive 12pcs shoe spikes and 1pc shoe spikes wrench, enough quantity for the replacement of old or broken football boots spikes. Durable: Football boots spikes cleats are made of aluminum alloy material, high quality, weather resistant, and durable for long time use. Dimensions: The replacement football studs thread is M5 and they are compatible for all standard 5mm threaded football boots and are easy to use and replace. Features: The stable design can offer stable support, helping increase stability and balance while swinging. The conical shape provides optimal traction on soft ground. Ideal Gift: The replacement studs for football boots are easy to use and quick to install. The cleats are good gifts for your family, friends, colleagues, and other people who love sports. Specification: Material: Aluminum Alloy Size Chart: 11mm 13mm: 11mm/1.1cm/0.43inch, 13mm/1.3cm/0.51inch 13mm 15mm: 13mm/1.3cm/0.51inch, 15mm/1.5cm/0.59inch Package Includes: Optional: 8pcs 11mm Football Studs, 4pcs 13mm Football Studs, 1 Wrench Or 8pcs 13mm Football Studs, 4pcs 15mm Football Studs, 1 Wrench Note: Please allow slightly errors due to manual measurement and different monitors.