The Partition Surface Mounted SS Hinge Set are for use on Left Hand Inswing and Right Out Swinging Doors. One of the better reasons to use this hinge is the fact that they have a stainless steel pin in them. Nearly all of the Gravity Hinges out there use plastic pins. Stainless Steel construction, 1/8" thick. Outside dimensions of the hinge are 3-5/16" wide by 2-7/8" high. The screw spacing is 2-5/16" wide by 1-1/2" high. The mounting holes are 1/4" diameter. For use on a left hand inswing door, or right hand outswing door. See "More Views" for the handing diagram. Also known as a Bathroom Stall Gravity Hinge Set, or Toilet Partition Surface Mounted Hinge Set. Manufacture part # 7103. Shipped with mounting screws.