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Keystone Compac Unit

Stone patio with outdoor seating and string lights on retaining wall.

Compac III, Straight Face

A textured, brown concrete cinder block.

The Keystone Compac is a retaining wall system that uses pins to interlock the block for optimum strength.

Compac III, Tri-Plane Face

A concrete cinder block with textured surface.

Find out more About these Products

4" Universal Cap

5½" Pins

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