Tamping Rod

You’ll also need a steel tamping rod to help consolidate the concrete once it is in the mold cone. The tamping rod should be 5/8″ (16cm) in diameter, 2′ (60cm) long, and rounded at one end.

Step 7: Tamping Rod - The steel tamping rod should be 5'8" (16cm) in diameter and 2' (60cm) long and rounded at one end.