Flange: 2" x 2" flange #22 ga stainless steel.
Hook: #10 ga stainless steel hook
Mounting Plate: #16 ga stainless steel concealed wall plate. Set screw secures mounting plate and flange. Overall Size: 4"W x 2"H x 1 5/8"D 51mm x 51mm x 41mm
Post: #22 ga stainless steel.
U X Accessories: All UX bath accessories series are fabricated of stainless steel with a bright or satin finish. Mounting plates are concealed with a snap-on type plate secured by a set screw.