Tow Tuff TTF-01TWC Tandem Wheel Chock - Pair The uniquely designed, scissor-action prevents the rolling and rocking of your tandem wheel trailers, campers, and motor homes The wheel chocks extend from 1.5 to 5.5 to provide stabilization for your tandem wheel trailers, campers, and motor homes.The corrosion-resistant zinc finish inhibits rust and ensures the durability of these chocks The one-step lever action is easy to use and the chocks will even prevent movement when unhooking your trailer Includes an anti-theft design with the featured padlock hole for use with 5/16 padlock shank or smaller Sold in pairs! 1 year limited Manufacturers parts warranty