PIERESEARCH manufactures Concrete Spacer Wheels™ from 7,500 psi, high-strength grout. Each wheel has a 1-inch inner diameter hub made from PVC plastic to allow it to roll easily as the rebar cage is lowered into the shaft.
Our Concrete Spacer Wheels™ are Oklahoma D.O.T. approved and come in 7-inch and 10-inch diameter sizes. We can also make custom sizes upon request.