The Toilet Partition Surface Mounted SS Hinge Set are for use on Right Hand Out Swing and Left Hand Inswinging Doors. They feature 1/8" thick stainless steel construction. Outside hinge measurements are 3-1/4" wide by 2-29/32" high. 1-1/2" hole spacing up and down, and 2-3/8" right to left hole spacing. The four mounting holes are 1/4" diameter. This hinge set includes the top and bottom hinges. Also known as Bathroom Stall Gravity Hinge Set. See "More Views" for the handing diagram. Manufacturer part # 7123. Mounting screws are included.