Cover for drop piece, with captive pre-assembled rotary latch locks, cover for cable tray drop piece with 110 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. for cable tray drop piece: RFD 110. ... Dimensions (approx. dimension) B (inside): 304 mm Material: Steel, strip galvanized in accordance with DIN EN 10346