Self-supporting type I. Internal dimensions WxH=40x60cm (external dimensions WxH=56x71.5cm). Working length 3m. Load class F900 in accordance with EN1433. Galvanized steel edge profile. Reinforced self-compacting concrete C60/75. Environmental classes XD3-XF4-XC4-XA3. Sustainability W+R. Tongue/groove connection. Lifting facility ball head anchors type DEHA. Installation instructions according to manufacturer's specifications. Standards in accordance with EN1433. For internal grille. Weight 1115kg. Industrial gray concrete, not architectural concrete. Color variations and air bubble formation possible.