The same great features of the original X-Chock in a wider application. Extends up to 17 Inch to accommodate wide track axle spacing commonly found on Bullet, LaCrosse, PrimeTime, Passport, North Trail, etc. Patent Pending. Length : 17 Inch Color : Silver Quantity : Single Features Provides Added Stabilization And Prevents Tire Shifts By Applying Opposing Force To Tandem Tire Applications Works With The Tire's Natural Movement Instead Of Against Them Rust Inhibitive Coating Plated Ratchet Wrench With Comfort Bumper Included Lightweight, Easy To Store Lockable For Added Security With Optional Pad Lock Limited Lifetime Warranty