Description: Package includes: 240 pieces(2 colors) track shoe spikes with spike wrench, convenient for you to replace your shoe spikes. There are enough quantity for your daily use. Material: These shoe spikes replacement are made of quality stainless steel, durable and rust-resist and anti-corrode, ensure you to use for a long time. Pyramid needle design, not damage track. Very practical items for both men and women. Easy to Use & Replace Spikes: The package includes a spike wrench. It is very easy for you to screw the pyramid track spikes into the shoes, convenient to replace the spikes. Size: 6.35 mm (1/4 inch) in length, which increases friction between the sole and the ground and prevents skidding. Wide Range of Uses: Great for athletic tracks, field and cross country surfaces, especially suit for track sprints, long jump,running, outdoor sports activities, ensure your safety, and increase your running speed. Specification: Material: Stainless Steel Color: Silver, Black Size Chart: Spike Length: 6.35mm (1/4 inch) Thread Diameter: 5mm/0.20inch Package Includes: 120 Pieces Track Shoe Spikes(Silver), 1 Piece Spike Wrench 120 Pieces Track Shoe Spikes(Black), 1 Piece Spike Wrench Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!