The 16 in. x 8 in. x 4 in Concrete Block 33 lb. is manufactured to ASTM C 90 specifications and used in foundations and above-grade masonry walls. This heavy weight solid block is uniformly square and free of large chips. These heavy weight interlocking gray blocks are uniform in texture， size and color while being dimensional and accurate.
Square concrete block with no large chips or breaks
Use in foundations or above grade masonry walls
Uniform in shape， color and texture
Meets ASTM C 90 specifications
Note: product availability may vary by store
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