4" x 1-5/8" to 2" 180-Degree Hinge for Chain Link Fence GatesThis 4 by 1 5 8 to 2 round post 180 degree hinge, also known as an industrial offset hinge, is perfect if you need your gate(s) to swing further than normal! Two of these hinges are capable of securing your gate, though you may want to get three or four for larger, taller gates. This hinge requires 2" spacing between the post and gate frame to operate properly. Sold individually. Fits a 4 nominal actual round gate post and 1 5 8" actual to 2 nominal,