The Steel Post Cap Square Flat is specifically designed for square posts with a size of 90x90mm. This post cap features a sleek black finish and a flat top design, adding a stylish touch to your square post projects. Made from durable steel, it provides protection and stability to the top of your posts, preventing water, dust, and other elements from entering. The easy installation ensures a secure fit, and the black color complements various styles and settings. Whether for residential or commercial applications, the Steel Post Cap Square Flat is a reliable choice for a clean and finished look.