Now you can quickly and easily use our Titan Post Anchor with engineered 4x4 Wood Tone - Quattro posts. Wood Tone posts (4x4) have a 3/4" square bore which our guide rod fits to pilot the hole saw for a perfect centered kerf cut. Install the Titan Post Anchor as normal and you now have beautiful engineered cedar or spruce 4x4's that can be surface mounted for strong, durable and attractive applications.