Description: *Brand new and high quality *Made of high-quality materials Our track and field spikes are made of high-quality steel and are 7mm long. *They come in a set of 120 and have a lifespan of approximately 20-30 km. *They are perfect for track and field competitions cross country and camping. *lightweight and provide superior grip and traction on most . *They are easy to install and remove making them for any athlete. Specification: Size: approx 6.4mm 1/4 Inch Use for: running competitions cross country and camping. Color:silver and gold (options) Style: tip Weight: About 1.25g/PCS Package Includes: 120PCSTrack&Field Needle 1xWrench Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.