PACKAGE: You will receive 12 pcs shoe spikes (8 short studs, 4 long studs), sufficient quantity for replacing old or damaged football boot studs. DURABLE: Football boot spikes are made of aluminum material, offering high quality, weather resistance, and long-lasting durability. DIMENSIONS: The replacement football studs feature an M5 thread and are compatible with all standard 5mm threaded football boots, allowing for easy installation and replacement. FEATURE: The stable design provides reliable support to enhance stability and balance during movement. The conical shape delivers optimal traction on soft ground. GREAT GIFT: These replacement studs are simple to install and make a practical gift for family, friends, colleagues, or anyone who enjoys sports. Specifications: Material: Aluminum Stud Lengths: 11mm (0.43 inch), 13mm (0.51 inch), 15mm (0.59 inch) Package Includes: Option 1: 8 pieces 11mm football studs, 4 pieces 13mm football studs Option 2: 8 pieces 13mm football studs, 4 pieces 15mm football studs Note: Please allow slight variations due to manual measurement and differences in display screens.