5' x 4-1/2' Butt Hinge with Dull Chrome Finish, Full ortise ounting, Square CornersThe template hinge is a steel hinge with standard preplated countersunk holes arranged in a half-moon shape. Square hinge mounts into recessed cutouts, attaching doors to frames. Use this ball-bearing hinge with door closers to reduce friction in high-traffic areas. Removable pin makes frequent door removal easier. Full mortise mounting includes hardware.Features - Holes per Leaf :4"Ligature Resistant :No"Range of Motion :180 Degrees"Orientation :Non Handed"Door Leaf Height :5Frame Leaf Height :5Door Leaf Width :4-1/2Frame Leaf Width :4-1/2Door Leaf Thickness :0.145Frame Leaf Thickness :0.145Bearing Type :Ball"Corners :Square"Hardware :Not Included"Mounting :Full Mortise"Pin Dia. :21/64Pin Type :Removable