11. 052 is a standard grill which is suitable for every pavements and pedestrian traffic. This model is a retro style tree grille- perfect for historical architecture. What is more, 11.052 is also a very durable project- all thanks to the black steel. It weight 184 kg, so it is solid and vandal free. 11.052 tree grille can be coloured in every of the RAL palette standard colours.