Cover, heavy-duty design, with fully riveted heavy aluminum checker plate and reinforced, captive pre-assembled rotary latch locks, for walkable cable trays. Other anti-slip coverings available on request. To support the walkable cover, please note the minimum number of dividers (see divider RWTS..., RTSKQ..., RTSQF... and RW...-...)! Can be used for: walkable cable trays Dimensions (approx. dimensions) B (inside): 405 mm Material thickness t: 6 mm The material thickness consists of 2 mm sheet steel, 2.5 mm aluminum sheet support and 1.5 mm checker height. Delivery length L: 3000 mm Material: steel, strip galvanized DIN EN 10346