Check the listing for details. CALIBER Lowpro Grip Glides Standard 9" 16/Pk Double Set 13384. Condition: New. Listed at 210.99 USD. Features: Caliber glides reduce friction and wear between carbides and trailer surfaces to make loading and unloading easier, and more efficient Adds elements of safety and ease of use while loading and unloading your powersports vehicles Now available in three different sizes * 6*, 9*, and 11.5* Superior glide * superior traction The best glide option for multi-purpose use * Snowmobile, ATV, UTV, Snowbike, Dirtbike, Motocycles, Golf Carts Great for any enclosed trailer door, or open/exposed trailer and deck surfaces Lower channel depth provides a higher profile for engagement points * increased traction Additional mounting locations provide increased versatility LowPro GripGlides offer a wide variety of ski stance variances Backed by Caliber's lifetime warranty