The NEW TRED GT Wheel Chock has been designed to safely and securely prevent your Vehicle, Caravan or Trailer from moving. Manufactured in Australia with high-quality Automotive grade polypropylene. The Chock also features a unique TRED-LINK system to connect two together for easy storage, incorporates a rope fixing point for easy retrieval and securing points to mount the Chock onto a variety of surfaces when in use or during storage. The aggressive grip profile on the face ensures maximum grip with the tyre. Please note. TRED GT wheel chocks are sold in a pair (one set).