With the new Fastway ONEstep chock, you can throw away the chunk of wood or rock you’ve been using under your trailer tire. The ONEstep is the fastest and easiest tandem axle wheel chock available. To set the chock, simply slide it into place and step down. No bending or kneeling required. When you’re ready to go, just pull up on the cable handle, and the ONEstep chock pulls right out.The ONEstep chock is perfect for travel trailers, 5th wheels, boat, cargo, horse, farm, and utility trailers.