These high quality steel door hinges made with a Bright Brass finish in a 4 Inch with 5/8 inch square radius corner are hard to find.Steel PlatedIncludes matching screws4 Holes in zig-zag pattern,Gauge .097" (2.5 MM)Typical use: 1 5/8" to 1 3/4" thick doors3 Pack (3 Complete Hinges)The Hinge Pin in removable and the hinge can be reversed for both right handed and left handed doors.