Made from 2 mm steel sheet for diameters up to 160 mm and 2.5 mm for larger diameters.
At the bottom, it has a welded round-head screw with a height of 8 mm, diameter 12 mm, and thread 4.8 x 28 mm for sizes up to 125 mm diameter; for larger sizes, this is replaced by an M8 nut and an M8x40 threaded-head screw.
Equipped with two DIN 7985 M6 screws, two DIN 934 M6 nuts, and an 8 mm nylon anchor.