Key features

• •🚩【FUNCTION】Provide the stabilization and prevent the tires from moving by applying opposite force to the tandem tires. Raised ribs design on both sides can increase the friction to achieve a better grip on the tires.
• •🚩【NEW DESIGN & SIZE】The rotating sides of the wheel chock make it more convenient to expand or retract. The expansion space ranges from 4.8" to 11.8". You will need to measure the size between your RV's tandem tires before ordering.
• •🚩【MATERIAL】 This wheel chock stabilizers are made of heavy duty iron, which improves firmness and stability. And the surface is coated with zinc plated material, it won't rust easily, great for outdoor use.
• •🚩【SAFETY】There are two rows of holes on the wheel chock to choose. When the wheel chock is expanded to the appropriate position, the hole can be locked with our lock. The thief cannot steal the wheel chock by retracting it，which has the function of anti-theft and safety.
• •🚩【CARRYING & STORAGE】The package includes ratchet wrench，socket wrench and 2 password locks (no key required) and gloves. The locks can prevent others from jokingly removing the wheel chock to avoid the RV slipping down and causing damage.