General description You can now secure your square tubing to the floor with our solid post anchor base plates. These post anchors are designed for 91 mm square tubes and are made of galvanised metal, ensuring rust resistance. They can be screwed to the floor, keeping your steel tubular structure in position, and are suitable for hard surfaces like concrete and timber. Technical specifications Material: Galvanised metal Anchor size: 91 x 91 mm (W x D) Base size: 150 x 150 mm (W x D) Height: 145 mm Thickness: 1.5 mm Hot-dip galvanised Designed for 91 mm posts Delivery contains: 4 x Post anchor Other information