This 150mm H Post Super Heavy Duty from our Commercial range is the perfect retaining wall post for 100mm-125mm concrete or 100mm timber sleepers. It is designed to be durable and reliable, providing long-term strength and stability to your retaining wall. It is suitable for both residential and commercial applications and is easy to install. The post is made from galvanized steel making it resistant to corrosion and weathering. With its high quality construction, this post is sure to last for years to come.