Guard: Hub

Hub Guards are used on wood and steel poles to protect them from damage by vehicles. The dimensions given are those of the flat plate before forming. Holes are:
9/16" (14.3 mm) for 1/2" (12.7 mm) lag bolts on 7101, for wood poles.
9/32" (7.1 mm) for 1/4" (6.4 mm) tapping screws on 7102. for steel pole.

They are formed with a 7.5" (191 mm) radius to fit the pole.