I have a 30 year old house. The master bathroom has a 30"X40" standing shower. the shower doors are 2' X 5'6" and have 2 vinal clip on guides on the bottom of each door. I cannot locate a match for these. The dimention of the clip is 3/4" high and 3/8" wide. the clip is U shaped woth a throat of 1/4' to receive the door. It has a 1/4" round peg 9/16" up from the bottom that snaps together througha hole in the glass door. can you help me locate 4 of these?