Rear-View Mirror Glass Cut to Size Precision-cut 2mm flat silver mirror glass for suitable rear-view mirror, interior mirror and custom automotive mirror applications. These made-to-measure circular mirror blanks are produced in the UK and offered in 1mm diameter increments for restoration and replacement work. Wet-finished edges provide a clean fit into suitable frames and housings. Check the required diameter, thickness and flat profile before ordering. Mirror glass only is supplied, so retain the original frame, backing plate or housing where required.