Inter-Lok Stainless Steel Framed Mirror with Shelf shall have a one piece 3/4" x 5/8" (19 x 16 mm), roll-formed, 18 gauge, type 304 stainless steel angle frame with corners heliarc welded, ground and polished smooth to a uniform satin finish. but includes shelf of 18 gauge stainless steel with satin finish and all edges returned and hemmed for maximum rigidity and safety. Shelf is welded to face frame and is 5" (127 mm) wide, and shall be warranted for 15 years against silver spoilage. All edges of mirror shall be protected with friction and chafe absorbing fillers. Back of mirror shall be protected by full size shock-absorbing water---resistant filler and full size one piece 20 gauge corrosion protected steel. An 18 gauge corrosion protected steel bracket shall be supplied with the Inter-Lok Stainless Steel Framed Mirror/shelf.