Ideal if you need to bolt down your fence post where a spiked version isn't an option. Zinc Plated Metal Post Holder for Concrete/slabs etc. Designed to support a 7cm x 7cm fence post. If you can't use a spiked support, this is ideal and is a secure way of ensuring the feature you are errecting does not fall. Comes with wood bolts to secure your post. Primrose Zinc Plated Bolt Down Fence Post Holder Kit Underground Stake Set 60cm in None