Deltana DSH4SR5T Therma-Tru Steel Spring Hinge | 4 x 4 | Square x 5/8 Radius
Mounting: The standard corners for mortised door hinges are 1/4″ radius, 5/8″ radius, or square corner. Use on the door from house to garage, doors to pool areas, pantry, laundry rooms, and mud rooms, etc.