Square spiked post base driven directly into the ground — no concrete foundation required. Cross-shaped spike drives into soil for fast installation, ideal for fences, walkways and garden structures. Four sizes for square posts 71×71mm to 121×121mm. S235/HDG hot-dip galvanised steel. Service Class 3. ETA-10/0422 certified (M70S70 and M70S90 only). No concrete required — cross-shaped spike driven directly into ground Ideal for fences, walkways and structures resting on ground Suitable for square columns of different sizes Sleeve height 150mm all sizes · Tip length 600mm (70/90mm) or 750mm (100/120mm) Material: S235/HDG hot-dip galvanised steel Service Class 3 · ETA-10/0422 (M70S70 and M70S90 only) Sold individually. Select post size to see price.