One-piece, roll-formed 19 x 19mm angle-frame. Type 304 Satin Stainless Steel angle. Corners heliarc welded, ground and polished smooth. Bevelled frame edge at mirror for improved appearance. No. 1 quality, 6mm glass mirror, warranted against silver spoilage for 15 years. Galvanised steel back. Secured to concealed wall hanger with theft-resistant mounting.