Cover for drop and riser, with captive pre-assembled rotary latch locks, cover for cable tray drop and riser with 60 mm edge height. Due to external influences, such as wind loads, use outdoors is only possible with additional security (self-tapping screws, steel band, etc.). Rotary latches RDRS 2 can be used for additional requirements. VDE certified! for cable tray drop: RFD 60. ... for cable tray riser: RSD 60. ... Dimensions (approx. dimension) B (inside): 74 mm Material: steel, strip galvanized in accordance with DIN EN 10346