This rack by Delock can be used for wall mounting of 19" devices e.g. for three patch panels with one height unit (U) and up to 30 cm depth. The one-sided hinge enables easy assembly. Space saving folding construction The compact folding construction offers a space-saving solution and allows an easy way of mounting. Specifications https://elecena.pl/product/18485392/43377-19-wall-mount-rack-3u-black-foldable 2021-05-17 https://elecena.pl/product/18485392/43377-19-wall-mount-rack-3u-black-foldable 2025-01-30