Step 2 : "Select Your Cover Plate Size" Click for More Selection Options
2.1) Select the shape that match the hole that you want to cover.
2.2) Select the units of measurement you prefer :
2.3) Select the dimension of the hole (round to the closest 1/2") :
2.4) Select Drywall(Sheetrock) / Plywood thickness, wall could also be made of other materials : "note : Please remove the imperfections from the surrounding of the hole so that you can Accurately Measure the thickness of the wall."
 Quantity: