TANDEM WHEEL CHOCKTANDEM AXLE WHEEL CHOCK With the new Fastway ONEstep chock, you can throw away the chunk of wood or rock youve been using under your trailer. The ONEstep is the fastest and easiest tandem axle wheel chock available. To place the chock, simply slide it into place and step down. No bending or kneeling required. When youre ready to go, just pull up on the cable handle, and the ONEstep chock pulls right out. The ONEstep chock is perfect for travel