Telescopic rail for VALUE 19" industrial PC housing STD, 510-820mm Extendable telescopic rails for installing the 19-inch enclosure 19.99.0104 in 19-inch server enclosures, network enclosures or wall-mounted enclosures. Screw mounting on the 19" grid rails Extension depth: 55 to 65 cm (depending on the installation in the enclosure) Suitable for enclosure depths from 600 to 1000 mm (rail spacing 580 to 850 mm) Suitable for 19.99.0104