The 4" UL Spring Hinge by Jones Stephens Corp is engineered for durability and reliable performance in door applications. This hinge features a 5/8" radius and is constructed from high-quality materials, ensuring longevity and resistance to wear. Designed to meet UL standards, it provides safety and compliance for various installations. Ideal for commercial and residential doors, this spring hinge allows for smooth operation and self-closing functionality. Its robust design makes it a preferred choice for contractors looking for reliable hardware solutions.