Cover, heavy-duty design, with captive pre-assembled rotary latch locks, height-independent cover for the T-piece of the walkable cable trays. To support the walkable cover, please note the minimum number of dividers (see divider RWTS..., RTSKQ..., RTSQF... and RW...-...)! for T-piece: RTSS... Dimensions (approx. dimensions) B (inside): 105 mm Material thickness t: 2 mm Material: Steel, strip galvanized in accordance with DIN EN 10346