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Security Framed Mirror with Rounded Corners for wall anchor plate mounting is fabricated of one piece formed alloy 18-8 stainless steel, type 304, 18 gauge with No 8 mirror polish. Installed unit projects 7/16" (11mm) from wall. Frame is provided with eight (8) dimpled holes for 1/4 - 20 x 3/8" long pin-Torx® flat head machine screws (supplied). Wall anchor plate is fabricated of steel, 7 gauge and be provided with four (4)13/32" (10mm) dia. Countersunk mounting holes for 1/4-20 x 2"F.H. screws (supplied).