Galvanized steel back

A 16-gauge stainless steel mounting bracket is concealed by the flange and used to attach the soap dish to the wall bracket for installation

Bradley Mills Partition Continuous Aluminum "F" Bracket at Wall Hardware Kit

Bradley 176-068 Pushrod 11-1/4 X 1/4 Dia

which are attached to 16-gauge stainless steel mounting brackets in the flanges with locking setscrews

Bobrick B-580616x18 (18 x 1.25) Vinyl-Coated Grab Bars W/ Snap Flange verge Galvanized steel backBobrick B 580616x18 Vinyl Coated Grab Bars W Snap Flange. Vinyl Coated Grab Bar shall be corrosion resistant, zinc coated steel pipe with vinyl antibacterial, biocompatible, and warm to the touch coating. Grab Bar shall have 1 8" (3mm) wall thickness, 1 8" (3mm) extruded plastic finish coating thickness, and 1 1 4" (32mm) outside diameter. Clearance between the grab bar and wall shall be 1 1 2" (38mm). Concealed Mounting Flanges shall be fiberglass