The SOSS 220ICUS10BL is a heavy-duty, self-closing, invisible hinge designed for use with interior or exterior doors. It features a 100-degree opening angle, a weight capacity of up to 275 pounds per pair, and a black oxide finish for corrosion resistance. The hinge is adjustable for both height and overlay, making it easy to install and align. It is also reversible, allowing it to be used on either left- or right-hand doors. Common applications include interior and exterior doors, cabinets, and gates.