* Durable, lightweight and UV-stabilized blocks are made of high quality PP material for years of rugged use.
* Interlocking design allows you to easily twist to secure blocks together for storage. Sturdy bottom will greatly keep the wheels from sinking in soft ground.
* Each set comes in a zippered storage bag with handle for convenient transportation. Conveniently packaged and easily stored in bag.
* Perfect for using with single wheels, double wheels, hydraulic jacks, tongue jacks, stabilizer jacks, 5th wheel jacks and tandem axles.