National Hardware 3-1/2" Square Stainless Steel Door Hinge is crafted from stainless steel to provide maximum corrosion resistance, ensuring long-lasting durability. This hinge features a nob for a finished appearance and square corners that a clean, modern look. Designed with a non-rising pin and heavy-gauge material, it delivers added strength and reliable performance. The 5 knuckle, full mortise design enhances stability, while the countersunk screw holes allow for a flush installation. Additionally, the removable pin makes installation and maintenance easier, making this hinge a practical choice for a variety of door applications. Model Number: N225-920