Tom from SWISCO responded:
August 16, 2017
Hi, Richard. Here are some dimensions; let me know if you need more. The distance between the furthest pair of screw-holes is just shy of 4-1/4" (maybe closer to 4-3/16"). The distance between the middle pair is 3-1/2" and the distance between the closest pair of screw-holes is 2". The cover itself is 5" wide and each arm measures 11-1/4". Thanks for choosing SWISCO!
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