![GEOVISION™ GV-Mount310-2 Corner Adapter Kit [51-MT31020-0001]](http://sysaway.net/cdn/shop/products/51-MT31020-0001_grande.png?v=1585811801)
Reference:
51-MT31020-0001
"90D Concave Corner Adapter for Eyeball/A/T series. Dimensions: 111.2 x 369.9 x 210 mm (2.6"" x 11.4"" x 6.6"")."