Feature: 1. Fitment: The traction boards mounting pin kit is applicable for 3.15‑5.51in hole spacing with 115mm center diameter, and the pin size is M10x180, applicable for off road vehicle and cars. 2. Function: These tough mounting pins for traction boards can help you secure them to your vehicle, can stay secure for a confident hold on rugged terrain. 3. Convenient: Knobs of these mounting pins allow you to quickly get your recovery tracks without any tool, then you can continue along your way in no time flat. 4. Practical: Steel plates and hardwares for wear, impact and crack resistance in harsh conditions, and can be quickly and easily installed with all necessary hardware included in the package. 5. Installation: With these mounting pins for traction boards, your traction boards can be attached to a variety of positions on your vehicle, such as any roof rack or truck bed rack with M10 holes. Specification: Item Type: Traction Boards Mounting Pin KitMaterial: SteelCompatible Traction Board Hole Spacing: 3.15‑5.51in/8-14cm .Center Distance: Approx. 115mm/4.53in Pin Size: M10x180Application: Suitable for off road vehicles, cars Package List: 4 x Mounting Pin2 x Bracket Board4 x Tube8 x Nut8 x Gasket