from those measurements, this leaves 1/8 in.
These Hurricane Board-Up clips are constructed of stamped steel and come unfinished. on all sides wide, and for wind speeds up to 110-150mph., all depending on overall window size opening.Do-It-Yourself Hurricane Board-Up Clips provide a simple, quick and inexpensive way to protect windows during high hurricane windsDesigned for use over windows on brick, wood and stucco surroundings that project outwards at 90-degree right angles, adjacent to recessed windowsClips fit 1/2 in.