Durable And Short Spikes For Sports Running Shoes. Features:All Spike Packs Are Packs of 12. Steel Material, Makes It Very Strong, Safer to Run with It Xmas Tree Spikes Are Designed for Running on Carbon Tracks Especially for Middle and Long Distance Tracks. Specification:Color: Silver Quantity: 6Pack(60 Pcs) Weight: 110g of One Pack Dimension: Thread Diameter 5MM; Thread Height 5MM; Spike Height 7MM Package Includes:6Pack (60 Pcs) Steel Track Short Spikes . Your order will be shipped from abroad so please allow the necessary time of at least 14 work days for delivery due to ongoing delays in postal deliveries globally.