Fit for all recovery tracks with 4.72inch-6.69inch hole spacing, such as for X-BULL, for Fieryred, for Maxtrax, and for Bunker Indust. Revolutionize Your Off-Road Adventures with our Traction Board Mounting Kit.Unleash the Power of Traction Anywhere, Anytime! Quick Release Design: The knobs allow you to quickly get your traction boards without any tool. Bolt-on Installation: These traction board mounting pins can be easily installed with all necessary hardware included in the package. Perfect Fitment: With this mounting kit, traction boards can be attached to a roof rack or truck bed rack with M10 holes. Efficient:Provides emergency traction for your auto tires, gets the auto of snow, ice, mud or sand. Material:Made of high quality steel, sturdy and durable. Strong structure, with fine workmanship,high strength and solid. Easy to Installed:Simplify installation steps, without modification, no installation instruction. Colour:BlackandSilver Material:Stainless steel Package Contents: 4 x bolts 2 x boards Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.