Product Parameter: Size: Steel Spikes Track: 1/2 Inch, 1/4 Inch Spike Wrench: 10.5 x 7.2 x 1.8 cm Color: Black Material: Steel Package Includes: 42 x Track and cross country spikes 1 x Spike wrench Warm Prompts: Small items and with point parts, please keep them away from children under 3 years old. Please allow a slight error in size due to manual measurement.