The “ Onward ” brand offers 3″ Hinges in a Black finish with a Round Radius of 1/4″. The term “3” Hinges” refers to the size of the hinges. The “Black” finish provides a stylish and contemporary look to your doors. Black is known for its durability and resistance to tarnishing, making it a popular choice for hardware. The “ Round Radius of 1/4 ” refers to the curvature of the hinge corners. A round radius of 1/4″ means that the corners of the hinge are rounded with a radius of 1/4 inch, providing a smoother and more polished appearance. The “ 2pc per pack ” indicates that the package includes two hinges.