Heavy duty blocks are safe and easy to use. They offer many options for leveling single wheels, dual wheels, hydraulic jacks, tongue jacks, stabilizer jacks, 5th wheel jacks and tandem axles. Customize your levels: Stack interlocking blocks to desired height. Strong and durable blocks. Patent pending. Each set comes in a convenient storage bag.
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4 interlocking blocks stack to the desired height for safe and easy leveling
Strong and durable construction
Solid bottom to help keep them from sinking in soft ground
Includes zippered storage bag with handle
Made in the USA