This piano hinge is constructed of stamped stainless steel and it comes in a satin finish. This spring-loaded hinge is designed for use with left hand swing-in, or right hand swing-out partition door panels. It features six (6) pre-drilled mounting holes per leaf, it measures 3-inch wide when fully opened, by 54-inch in length, and its thickness is approximately 1/16 inch thick. Installation fasteners are not included with this hinge.