STABILIZE YOUR RV OR TRAILER! The Andersen 'Trailer Jack Block' eliminates nearly all of the movement in your parked RV or Trailer! You will be amazed how solid everything is when using the Trailer Jack Block with your stabilizer jacks! For great results, use two blocks at the front and two blocks at the back of your RV. If you want the most solid and absolute best results on a trailer that has more than 4 stabilizer jacks, use one block per stabilizer.
Built-in magnets instantly attach to the jack
Each block holds up to 6,000 lbs or 1,500 lbs when double-stacked
