Interlocking blocks work with #56865 10-pack to give you more leveling capability. They are made of the same high density, molded polypropylene as the 10-pack that can withstand the weight of even large RVs. Bright yellow for high visibility and easier positioning after dark. Lighter than wood and won’t rot or absorb water. Each block is 8 1/2"L x 8 1/2" W x 1"H. Made in USA. Weight capacity of 30,000 lbs/Pack.
Easy to clean-just hose them off!
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