Z Scale Interlocking Concrete Blocks

14 different varieties of interlocking pre-cast concrete blocks suitable for building things such as retaining walls, heavy traffic barriers, building foundations. Made of excess concrete returned to the supplier following a pour these blocks are commonly seen in all matter of construction and building projects with nearly limitless options to create custom structures, walls and foundations. Blocks included: Z Interlocking Block - Double Flat Top Z Interlocking Block - Double Planter Z Interloc…

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