32 mm Cube w/ Test Rod and Flat holes

This is a 32mm cube with flat test hole (19.55mmX3.55mm) and a rod test hole (9.65mm)
The Rod/Flat are from home depot.
Aluminum round rod (3/8"x4') Part#142-820
Aluminum Flat (1/8"x3/4"x4') Part#142-660