Concrete in fence post supports are designed to be set into concrete when ground conditions won't allow for a drive in spike or when the post is to be fitted in a hard standing area. The support has 4 fins at the bottom to hold the support firmly into the post holder section to prevent any post movement as well as allowing for over/under sized post tolerance. The bolt system also allows for removal of the post at a later stage if required. Available in a red oxide powder coat to blend in with fencing whilst also providing a medium rust protection and also galvanised. Use hot dip galvanised for maximum rust protection. Both options can be painted over.