Description: 【Post Base】: The industrial support base is Great for both professional and DIY projects, this metal support bracket is a reliable foundation for your outdoor structures. 【Adjustable Height】: This 4 Holes Square Mount features an adjustable height ranging from a minimum height of 140mm to a maximum height of 195mm, M20 threads. 【Secure Installation】: Our Pergola Bracket comes with four holes on the base plate, each with a diameter of 13mm, and two holes on the supporting plate (a with a diameter of 13 mm and another a measuring at 13x20 mm). 【Material】: Made from iron material, these metal plates ensure uniform paint coating that prevents peeling or flaking off, . 【Occasion】: Adjustable raised base is great for awning pipe, pergola, terrace, veranda. Size Chart: base plate:16cm/6.30inch height:14cm-20cm/5.51inch-7.87inch load bearing plate:8cmx8cm/3.15inchx3.15inch Package Includes: 1 Post Base Note: Please allow slightly errors 1-2cm differences due to manual measurement.