Halyard Exit Plate Medium Technical Description Features American Metric Fixing Hole Dia 13/64 in 5 mm Fixing Hole Centres 3 57/64 in 99 mm Exit Slot Length 2 11/64 in 55 mm Exit Slot Width 15/32 in 12 mm Overall Length 4 9/16 in 116 mm Overall Width 1 9/64 in 29 mm