Frame fabricated of 18-8 type 304 14-gauge (1.9mm) stainless steel with exposed surfaces having a #4 satin-finish. All welded construction. Corners are welded and ground smooth. Six (6) countersunk holes provided for installation. Mirror is type 430 stainless steel with bright-polished finish. Unit 12" W, 16" H, 5/8" D (309 x 406 x 16mm) NOTE: Type 430 stainless steel with bright-polished finish differs in color and reflective quality than standard mirror glass. Call factory for other reflective surfaces available.