Secure, heavy‑duty mounting for pergolas, carports, and verandahs. This U‑Cup Post Support is built to fit 100x200mm posts and anchors firmly to timber decking or concrete using standard hardware. Constructed from 4mm steel and finished with hot‑dip galvanising, it’s designed to resist corrosion in outdoor settings while delivering steady, long‑lasting support. Key fit details include M12 bolt holes for the post connection and Ø13.5mm base holes for secure anchoring. The unit is sized to accommodate a 100mm width and 200mm shaft height, with a 25mm shaft diameter for reliable load handling. What you get Post size: 100mm (W) x 105mm (H) Shaft height: 200mm Shaft diameter: 25mm Post bolt hole: M12 Base bolt hole: Ø13.5mm Made from: 4mm steel Finishing: Hot-Dip Galvanised Shipping options available. In‑store pickup available — contact us for pickup location & hours.