The M8 bolts that secure the tubular chassis braces on the Prado and FJ Cruiser are prone to damage even though Toyota have tried to protect them. 

They are the lowest point on the vehicle and can easily be damaged making it difficult to remove the bolts. 

This is particularly a problem if you bash plates happen to be secured under neath these braces.

These CNC machined Stainless steel bolt head protector will make it much easier to remove the bolts.

Listing is for 2 bolt protectors.  1 pair