Slide-Co 163634 Bi-Fold Door Repair Bracket, Top Mount, 1-3/8-Inch Door,(Pack of 2) 1-3/8 inch size Bi-fold door repair bracket It is a top mount Steel construction Repairs doors that have split at top or bottom pivot Fits 1-1/8 in. thick doors Accepts a 7/16 in. pivot Top mount design