Cover for 90° bends, with captive pre-assembled rotary latch locks, height-independent cover for 90° bend cable trays and for covering a 90° bend made using a corner attachment piece REK ... F. 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 E3 can be used for additional requirements.certified! For use in functional maintenance, please observe additional regulations! for cable trays bend 90°: RES ... F Dimensions (approx. dimension) B (inside): 304 mm Material: steel, hot-dip galvanized in accordance with DIN EN ISO 1461 Material of rotary latch locks: stainless steel, material no. 1.4571